{
"html": {
"elements": {
"img": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Element/img",
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
"align": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"alt": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"aspect_ratio_computed_from_attributes": {
"__compat": {
"description": "Aspect ratio computed from width and height attributes",
"support": {
"chrome": {
"version_added": "79"
},
"chrome_android": {
"version_added": "79"
},
"edge": {
"version_added": "79"
},
"firefox": [
{
"version_added": "71"
},
{
"version_added": "69",
"version_removed": "71",
"flags": [
{
"type": "preference",
"name": "layout.css.width-and-height-map-to-aspect-ratio.enabled",
"value_to_set": "true"
}
]
}
],
"firefox_android": {
"version_added": "79"
},
"ie": {
"version_added": false
},
"opera": {
"version_added": "66"
},
"opera_android": {
"version_added": "57"
},
"safari": {
"version_added": "14"
},
"safari_ios": {
"version_added": "14"
},
"samsunginternet_android": {
"version_added": "12.0"
},
"webview_android": {
"version_added": "79"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"border": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"crossorigin": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"decoding": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "≤79"
},
"firefox": {
"version_added": "63"
},
"firefox_android": {
"version_added": "63"
},
"ie": {
"version_added": false
},
"opera": {
"version_added": true
},
"opera_android": {
"version_added": true
},
"safari": {
"version_added": "11.1"
},
"safari_ios": {
"version_added": "11.3"
},
"samsunginternet_android": {
"version_added": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"height": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"hspace": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"intrinsicsize": {
"__compat": {
"support": {
"chrome": {
"version_added": "71",
"version_removed": "78",
"flags": [
{
"type": "preference",
"name": "#enable-experimental-productivity-features"
}
]
},
"chrome_android": {
"version_added": "71",
"version_removed": "78",
"flags": [
{
"type": "preference",
"name": "#enable-experimental-productivity-features"
}
]
},
"edge": {
"version_added": false
},
"firefox": {
"version_added": false
},
"firefox_android": {
"version_added": false
},
"ie": {
"version_added": false
},
"opera": {
"version_added": "58",
"version_removed": "65",
"flags": [
{
"type": "preference",
"name": "#enable-experimental-productivity-features"
}
]
},
"opera_android": {
"version_added": "50",
"version_removed": "56",
"flags": [
{
"type": "preference",
"name": "#enable-experimental-productivity-features"
}
]
},
"safari": {
"version_added": false
},
"safari_ios": {
"version_added": false
},
"samsunginternet_android": {
"version_added": false
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": false,
"standard_track": false,
"deprecated": true
}
}
},
"ismap": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"loading": {
"__compat": {
"mdn_url": "https://developer.mozilla.org/docs/Web/Performance/Lazy_loading",
"support": {
"chrome": {
"version_added": "76"
},
"chrome_android": {
"version_added": "76"
},
"edge": {
"version_added": "79"
},
"firefox": {
"version_added": "75"
},
"firefox_android": {
"version_added": false,
"notes": "See bug 1542784"
},
"ie": {
"version_added": false
},
"opera": {
"version_added": "63"
},
"opera_android": {
"version_added": "54"
},
"safari": {
"version_added": false,
"notes": "See bug 196698"
},
"safari_ios": {
"version_added": false,
"notes": "See bug 196698"
},
"samsunginternet_android": {
"version_added": false
},
"webview_android": {
"version_added": false
}
},
"status": {
"experimental": true,
"standard_track": true,
"deprecated": false
}
}
},
"longdesc": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"name": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"onerror": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "≤79"
},
"firefox": {
"version_added": "51"
},
"firefox_android": {
"version_added": "51"
},
"ie": {
"version_added": null
},
"opera": {
"version_added": true
},
"opera_android": {
"version_added": true
},
"safari": {
"version_added": true
},
"safari_ios": {
"version_added": true
},
"samsunginternet_android": {
"version_added": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"referrerpolicy": {
"__compat": {
"support": {
"chrome": {
"version_added": "51"
},
"chrome_android": {
"version_added": "51"
},
"edge": {
"version_added": "79"
},
"firefox": {
"version_added": "50"
},
"firefox_android": {
"version_added": "50"
},
"ie": {
"version_added": false
},
"opera": {
"version_added": "38"
},
"opera_android": {
"version_added": "41"
},
"safari": {
"version_added": "11.1"
},
"safari_ios": {
"version_added": false
},
"samsunginternet_android": {
"version_added": "7.2"
},
"webview_android": {
"version_added": "51"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"sizes": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"src": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"srcset": {
"__compat": {
"support": {
"chrome": {
"version_added": "34"
},
"chrome_android": {
"version_added": "34"
},
"edge": {
"version_added": "≤18"
},
"firefox": [
{
"version_added": "38"
},
{
"version_added": "32",
"version_removed": "52",
"flags": [
{
"type": "preference",
"name": "dom.image.srcset.enabled",
"value_to_set": "true"
}
]
}
],
"firefox_android": [
{
"version_added": "38"
},
{
"version_added": "32",
"version_removed": "52",
"flags": [
{
"type": "preference",
"name": "dom.image.srcset.enabled",
"value_to_set": "true"
}
]
}
],
"ie": {
"version_added": false
},
"opera": {
"version_added": "21"
},
"opera_android": {
"version_added": "21"
},
"safari": {
"version_added": "8"
},
"safari_ios": {
"version_added": "8"
},
"samsunginternet_android": {
"version_added": "2.0"
},
"webview_android": {
"version_added": "37"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
},
"usemap": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
},
"caseless_usemap": {
"__compat": {
"description": "Content is case-sensitive",
"support": {
"chrome": {
"version_added": "58"
},
"chrome_android": {
"version_added": "58"
},
"edge": {
"version_added": "79"
},
"firefox": {
"version_added": "51"
},
"firefox_android": {
"version_added": "53"
},
"ie": {
"version_added": false
},
"opera": {
"version_added": "45"
},
"opera_android": {
"version_added": "43"
},
"safari": {
"version_added": true
},
"safari_ios": {
"version_added": true
},
"samsunginternet_android": {
"version_added": "7.0"
},
"webview_android": {
"version_added": "58"
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
}
},
"vspace": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": true
}
}
},
"width": {
"__compat": {
"support": {
"chrome": {
"version_added": true
},
"chrome_android": {
"version_added": true
},
"edge": {
"version_added": "12"
},
"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": true
},
"webview_android": {
"version_added": true
}
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
}
}
}
}
}