{
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{
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"version_added": true
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"version_added": null
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"version_added": false
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"version_added": true
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"version_added": false
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"version_added": false
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"version_added": null
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"version_added": null
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"version_added": null
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"version_added": null
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"version_added": true
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"version_added": true
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"version_added": null
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},
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}
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"chrome_android": {
"version_added": "54"
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"version_added": false,
"notes": "Under consideration"
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"version_added": false,
"notes": "Under consideration"
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{
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{
"type": "preference",
"name": "dom.webcomponents.customelements.enabled",
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"type": "preference",
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]
},
{
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{
"type": "preference",
"name": "dom.webcomponents.customelements.enabled",
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]
}
],
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},
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}
},
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"version_added": true
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"chrome_android": {
"version_added": true
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"version_added": true
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},
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"deprecated": false
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}
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"version_added": null
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"version_added": null
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"version_added": null
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}
},
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"experimental": false,
"standard_track": false,
"deprecated": true
}
}
},
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"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/event",
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"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
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},
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"ie": {
"version_added": true
},
"opera": {
"version_added": true
},
"opera_android": {
"version_added": true
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"safari": {
"version_added": true
},
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"version_added": true
},
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}
},
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"standard_track": false,
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}
}
},
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"version_added": true
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"version_added": null
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"edge": {
"version_added": true
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"edge_mobile": {
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"version_added": true
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"opera": {
"version_added": true
},
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"safari": {
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},
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}
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"edge_mobile": {
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}
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},
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},
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}
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},
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}
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"version_added": true
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},
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},
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"standard_track": true,
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"description": "Pseudo-element support",
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},
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"firefox": {
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"version_added": "15"
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"version_added": null
},
"safari": {
"version_added": true
},
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"version_added": null
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"samsunginternet_android": {
"version_added": true
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"webview_android": {
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}
},
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"standard_track": true,
"deprecated": false
}
}
}
},
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"version_added": false
},
"chrome_android": {
"version_added": false
},
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"version_added": false
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"edge_mobile": {
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},
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"version_added": false
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"opera": {
"version_added": false
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},
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},
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}
},
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}
},
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},
"chrome_android": {
"version_added": false
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"edge": {
"version_added": false
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"edge_mobile": {
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"firefox": {
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"version_added": "19"
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"ie": {
"version_added": false
},
"opera": {
"version_added": false
},
"opera_android": {
"version_added": false
},
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"version_added": false
},
"safari_ios": {
"version_added": false
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"webview_android": {
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}
},
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"standard_track": false,
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}
}
},
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"version_added": true
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"version_added": true
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"edge_mobile": {
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"version_added": true
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"version_added": "5.1",
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}
},
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}
},
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"version_added": false
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"version_added": null
},
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"version_removed": "13"
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}
},
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"standard_track": false,
"deprecated": true
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}
},
"history": {
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"version_added": true
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"chrome_android": {
"version_added": true
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"version_added": null
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"edge_mobile": {
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"firefox": {
"version_added": true
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"version_added": true
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"version_added": null
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"deprecated": false
}
}
},
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},
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"version_added": false
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"version_added": null
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},
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},
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},
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"version_added": false
},
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"version_added": true
},
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},
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},
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},
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},
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"version_added": false
}
},
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}
}
},
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"version_added": true
},
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"version_added": true
},
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"version_added": true
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{
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},
{
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"version_removed": "24",
"notes": "This property was buggy and could give a wrong value before page load in certain circumstances, see bug 641188."
}
],
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{
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{
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}
],
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},
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"version_added": "9"
},
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"version_added": "9"
},
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},
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"version_added": "3"
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"version_added": null
},
"webview_android": {
"version_added": true
}
},
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}
}
},
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"version_added": true
},
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"version_added": true
},
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"version_added": true
},
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{
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},
{
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}
],
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{
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{
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}
],
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},
"opera": {
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},
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},
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},
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},
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},
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"version_added": true
}
},
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}
}
},
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},
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},
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},
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},
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},
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},
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},
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},
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}
},
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"version_added": false
},
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"version_added": false
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},
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},
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},
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},
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},
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},
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},
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"version_added": true
}
},
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"standard_track": true,
"deprecated": false
}
}
}
},
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"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/length",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
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},
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},
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},
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},
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},
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},
"webview_android": {
"version_added": true
}
},
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"deprecated": false
}
}
},
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"version_added": true
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},
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"version_added": "11"
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},
"webview_android": {
"version_added": true
}
},
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}
}
},
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},
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}
},
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},
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},
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},
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}
}
}
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}
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}
}
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}
}
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},
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},
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}
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},
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},
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},
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},
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}
},
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}
}
},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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}
},
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}
}
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},
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},
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},
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},
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},
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},
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},
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},
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},
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}
},
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}
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},
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},
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},
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},
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},
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},
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}
},
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}
}
},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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}
},
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}
}
},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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}
},
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}
}
},
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},
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},
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},
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},
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},
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},
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},
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},
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}
},
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}
}
},
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},
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},
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}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"onbeforeinstallprompt": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/onbeforeinstallprompt",
"support": {
"chrome": {
"version_added": null
},
"chrome_android": {
"version_added": null
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": null
},
"firefox_android": {
"version_added": null
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": null
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"ondevicemotion": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/ondevicemotion",
"support": {
"chrome": {
"version_added": null
},
"chrome_android": {
"version_added": null
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": null
},
"firefox_android": {
"version_added": null
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": null
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"ondeviceorientation": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/ondeviceorientation",
"support": {
"chrome": {
"version_added": null
},
"chrome_android": {
"version_added": null
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": null
},
"firefox_android": {
"version_added": null
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": null
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"open": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/open",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"openDialog": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/openDialog",
"support": {
"chrome": {
"version_added": false
},
"chrome_android": {
"version_added": false
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": false
},
"firefox_android": {
"version_added": false
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": false
}
}
},
"opener": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/opener",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"orientation": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/orientation",
"support": {
"chrome": {
"version_added": false
},
"chrome_android": {
"version_added": false
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": false
},
"firefox_android": {
"version_added": false
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"outerHeight": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/outerHeight",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": "1"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "9"
},
"opera": {
"version_added": "9"
},
"opera_android": {
"version_added": "9"
},
"safari": {
"version_added": "3"
},
"safari_ios": {
"version_added": "3"
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"outerWidth": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/outerWidth",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": "1"
},
"firefox_android": {
"version_added": "4"
},
"ie": {
"version_added": "9"
},
"opera": {
"version_added": "9"
},
"opera_android": {
"version_added": "9"
},
"safari": {
"version_added": "3"
},
"safari_ios": {
"version_added": "3"
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"pageXOffset": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/pageXOffset",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": "9"
},
"opera": {
"version_added": true
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": true
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": null
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"pageYOffset": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/pageYOffset",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": "9"
},
"opera": {
"version_added": true
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": true
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": null
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"parent": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/parent",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"performance": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/performance",
"support": {
"chrome": {
"version_added": "6"
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": "7"
},
"firefox_android": {
"version_added": "7"
},
"ie": {
"version_added": "9"
},
"opera": {
"version_added": "15"
},
"opera_android": {
"version_added": "15"
},
"safari": {
"version_added": "8"
},
"safari_ios": {
"version_added": "9"
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"personalbar": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/personalbar",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"pkcs11": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/pkcs11",
"support": {
"chrome": {
"version_added": false
},
"chrome_android": {
"version_added": false
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true,
"version_removed": "29"
},
"firefox_android": {
"version_added": true,
"version_removed": "29"
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": true
}
}
},
"postMessage": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/postMessage",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": [
{
"version_added": "8",
"notes": "Supports sending File and FileList objects between windows. This is only allowed if the recipient's principal is contained within the sender's principal for security reasons."
},
{
"version_added": "6",
"notes": "The message parameter is serialized using the structured clone algorithm. This means you can pass a broad variety of data objects safely to the destination window without having to serialize them yourself."
},
{
"version_added": true,
"version_removed": "6",
"notes": "The message parameter must be a string."
}
],
"firefox_android": [
{
"version_added": "8",
"notes": "Supports sending File and FileList objects between windows. This is only allowed if the recipient's principal is contained within the sender's principal for security reasons."
},
{
"version_added": "6",
"notes": "The message parameter is serialized using the structured clone algorithm. This means you can pass a broad variety of data objects safely to the destination window without having to serialize them yourself."
},
{
"version_added": true,
"version_removed": "6",
"notes": "The message parameter must be a string."
}
],
"ie": [
{
"version_added": "10",
"notes": "IE10 had an important limitation: see this article for details."
},
{
"version_added": "8",
"version_removed": "10",
"notes": "Support only for <frame> and <iframe>."
}
],
"opera": {
"version_added": "9.5"
},
"opera_android": {
"version_added": true
},
"safari": {
"version_added": "4"
},
"safari_ios": {
"version_added": true,
"notes": "For security reasons, to work properly on Safari, construct using document.getElementById('your-frame').contentWindow."
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
"transfer_argument_support": {
"__compat": {
"description": "transfer argument",
"support": {
"chrome": {
"version_added": null
},
"chrome_android": {
"version_added": null
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": "20"
},
"firefox_android": {
"version_added": "20"
},
"ie": {
"version_added": true
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": null
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
}
},
"print": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/print",
"support": {
"chrome": {
"version_added": true,
"notes": "Starting with Chrome 46.0 this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals."
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"prompt": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/prompt",
"support": {
"chrome": {
"version_added": true,
"notes": "Starting with Chrome 46.0 this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals."
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": true,
"notes": "This function has no effect in the Modern UI/Metro version of Internet Explorer for Windows 8. It does not display a prompt to the user, and always returns undefined. It is not clear whether this is a bug or intended behavior. Desktop versions of IE do implement this function."
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"releaseEvents": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/releaseEvents",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": true
}
}
},
"requestAnimationFrame": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/requestAnimationFrame",
"support": {
"chrome": [
{
"version_added": "24"
},
{
"version_added": "10",
"prefix": "webkit"
}
],
"chrome_android": [
{
"version_added": "25"
},
{
"version_added": "18",
"prefix": "webkit"
}
],
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": [
{
"version_added": "23",
"notes": "Callback parameter is a DOMHighResTimestamp. This means ten microsecond precision and zero time as performace.now()."
},
{
"version_added": "11",
"version_removed": "42",
"prefix": "moz",
"notes": "Callback parameter is a DOMTimestamp. This means millisecond precision and zero time as Date.now()."
},
{
"version_added": "4",
"version_removed": "11",
"prefix": "moz",
"notes": "Could be called with no input parameters."
}
],
"firefox_android": [
{
"version_added": "23"
},
{
"version_added": "14",
"version_removed": "42",
"prefix": "moz"
}
],
"ie": {
"version_added": "10"
},
"opera": [
{
"version_added": "15"
},
{
"version_added": true,
"prefix": "o"
}
],
"opera_android": {
"version_added": "15"
},
"safari": [
{
"version_added": "6.1"
},
{
"version_added": "6",
"prefix": "webkit"
}
],
"safari_ios": [
{
"version_added": "7.1"
},
{
"version_added": "6.1",
"prefix": "webkit"
}
],
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
"return_value": {
"__compat": {
"description": "Return value",
"support": {
"chrome": {
"version_added": "23"
},
"chrome_android": {
"version_added": "25"
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
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},
{
"version_added": true,
"alternative_name": "pageYOffset"
}
],
"ie": [
{
"version_added": false
},
{
"version_added": "9",
"alternative_name": "pageYOffset"
}
],
"opera": [
{
"version_added": true
},
{
"version_added": true,
"alternative_name": "pageYOffset"
}
],
"opera_android": [
{
"version_added": null
},
{
"version_added": null,
"alternative_name": "pageYOffset"
}
],
"safari": [
{
"version_added": true
},
{
"version_added": true,
"alternative_name": "pageYOffset"
}
],
"safari_ios": [
{
"version_added": null
},
{
"version_added": null,
"alternative_name": "pageYOffset"
}
],
"samsunginternet_android": [
{
"version_added": null
},
{
"version_added": null,
"alternative_name": "pageYOffset"
}
],
"webview_android": [
{
"version_added": true
},
{
"version_added": true,
"alternative_name": "pageYOffset"
}
]
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
"subpixel_precision": {
"__compat": {
"description": "Subpixel precision",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": "55"
},
"firefox_android": {
"version_added": "55"
},
"ie": {
"version_added": false
},
"opera": {
"version_added": true
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": true
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
}
},
"self": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/self",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": true
},
"opera": {
"version_added": true
},
"opera_android": {
"version_added": true
},
"safari": {
"version_added": true
},
"safari_ios": {
"version_added": true
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"sessionStorage": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/sessionStorage",
"support": {
"chrome": {
"version_added": "5"
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": "2"
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": "8"
},
"opera": {
"version_added": "10.5"
},
"opera_android": {
"version_added": "11"
},
"safari": {
"version_added": "4"
},
"safari_ios": {
"version_added": "3.2"
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"setCursor": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/setCursor",
"support": {
"chrome": {
"version_added": false
},
"chrome_android": {
"version_added": false
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": false
},
"firefox_android": {
"version_added": false
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": false
}
}
},
"setImmediate": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/setImmediate",
"support": {
"chrome": {
"version_added": false
},
"chrome_android": {
"version_added": false
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": false
},
"firefox_android": {
"version_added": false
},
"ie": {
"version_added": "10"
},
"opera": {
"version_added": false
},
"opera_android": {
"version_added": false
},
"safari": {
"version_added": false
},
"safari_ios": {
"version_added": false
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": false
}
}
},
"setResizable": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/setResizable",
"support": {
"chrome": {
"version_added": false
},
"chrome_android": {
"version_added": false
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": false
}
}
},
"showModalDialog": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/showModalDialog",
"support": {
"chrome": {
"version_added": true,
"version_removed": "43"
},
"chrome_android": {
"version_added": false
},
"edge": {
"version_added": false
},
"edge_mobile": {
"version_added": false
},
"firefox": {
"version_added": "3",
"version_removed": "56"
},
"firefox_android": {
"version_added": false
},
"ie": {
"version_added": "4"
},
"opera": {
"version_added": false
},
"opera_android": {
"version_added": false
},
"safari": {
"version_added": "5.1",
"notes": "See WebKit bug 151885 for possible future removal from Safari."
},
"safari_ios": {
"version_added": false
},
"samsunginternet_android": {
"version_added": false
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": true
}
}
},
"sidebar": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/sidebar",
"support": {
"chrome": {
"version_added": false
},
"chrome_android": {
"version_added": false
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": false
}
}
},
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"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/sizeToContent",
"support": {
"chrome": {
"version_added": false
},
"chrome_android": {
"version_added": false
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": [
{
"version_added": true
},
{
"version_added": "20",
"notes": "The mimimal size is clamped to prevent the window from being too small for the user to interact with."
}
],
"firefox_android": {
"version_added": true,
"notes": "This method has no effect as a page is always in a tab."
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": false
}
}
},
"speechSynthesis": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/speechSynthesis",
"support": {
"chrome": {
"version_added": "33"
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": "49"
},
"firefox_android": {
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},
"ie": {
"version_added": false
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": false
},
"safari": {
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},
"safari_ios": {
"version_added": "7.1"
},
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"version_added": null
},
"webview_android": {
"version_added": null
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"status": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/status",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"statusbar": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/statusbar",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"stop": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/stop",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": false
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"toolbar": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/toolbar",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"top": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/top",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": null
},
"edge": {
"version_added": true
},
"edge_mobile": {
"version_added": true
},
"firefox": {
"version_added": true,
"notes": "Starting in Firefox 6, this property is read only, as defined by the standard."
},
"firefox_android": {
"version_added": null
},
"ie": {
"version_added": true
},
"opera": {
"version_added": true
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": true
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": null
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"updateCommands": {
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"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/updateCommands",
"support": {
"chrome": {
"version_added": false
},
"chrome_android": {
"version_added": false
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": false
}
}
},
"visualViewport": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/visualViewport",
"support": {
"chrome": {
"version_added": "60"
},
"chrome_android": {
"version_added": "60"
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": false
},
"firefox_android": {
"version_added": false
},
"ie": {
"version_added": null
},
"opera": {
"version_added": "47"
},
"opera_android": {
"version_added": "47"
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": "60"
}
},
"status": {
"experimental": true,
"standard_track": true,
"deprecated": false
}
}
},
"window": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/API/Window/window",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": null
},
"edge_mobile": {
"version_added": null
},
"firefox": {
"version_added": true
},
"firefox_android": {
"version_added": true
},
"ie": {
"version_added": null
},
"opera": {
"version_added": null
},
"opera_android": {
"version_added": null
},
"safari": {
"version_added": null
},
"safari_ios": {
"version_added": null
},
"samsunginternet_android": {
"version_added": null
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
}
}
}
}