{
  "html": {
    "elements": {
      "script": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Element/script",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1",
              "notes": "Starting in Firefox 4, inserting &lt;script&gt; elements that have been created by calling <code>document.createElement(\"script\")</code> no longer enforces execution in insertion order. This change lets Firefox properly abide by the specification. To make script-inserted external scripts execute in their insertion order, set <code>.async=false</code> on them."
            },
            "firefox_android": {
              "version_added": "4"
            },
            "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
          }
        },
        "async": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "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
            }
          }
        },
        "crossorigin": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "30"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "≤18"
              },
              "firefox": {
                "version_added": "13"
              },
              "firefox_android": {
                "version_added": "14"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "12"
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": true,
                "notes": "The <code>crossorigin</code> attribute was implemented in WebKit in WebKit <a href='https://webkit.org/b/81438'>bug 81438</a>."
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": true
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "defer": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true,
                "notes": "Chrome does not defer scripts with the <code>defer</code> attribute when the page is served as XHTML (<code>application/xhtml+xml</code>) - <a href='https://crbug.com/611136'>Chromium Issue #611136</a>, <a href='https://crbug.com/874749'>Chromium Issue #874749</a>"
              },
              "chrome_android": {
                "version_added": true,
                "notes": "Chrome does not defer scripts with the <code>defer</code> attribute when the page is served as XHTML (<code>application/xhtml+xml</code>) - <a href='https://crbug.com/611136'>Chromium Issue #611136</a>, <a href='https://crbug.com/874749'>Chromium Issue #874749</a>"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "3.5",
                "notes": "Since Firefox 3.6, the <code>defer</code> attribute is ignored on scripts that don't have the <code>src</code> attribute. However, in Firefox 3.5 even inline scripts are deferred if the <code>defer</code> attribute is set."
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "10",
                "notes": "In versions prior to Internet Explorer 10, it implemented <code>defer</code> by a proprietary specification. Since version 10 it conforms to the W3C specification."
              },
              "opera": {
                "version_added": true,
                "notes": "Opera does not defer scripts with the <code>defer</code> attribute when the page is served as XHTML (<code>application/xhtml+xml</code>) - <a href='https://crbug.com/611136'>Chromium Issue #611136</a>, <a href='https://crbug.com/874749'>Chromium Issue #874749</a>"
              },
              "opera_android": {
                "version_added": true,
                "notes": "Opera does not defer scripts with the <code>defer</code> attribute when the page is served as XHTML (<code>application/xhtml+xml</code>) - <a href='https://crbug.com/611136'>Chromium Issue #611136</a>, <a href='https://crbug.com/874749'>Chromium Issue #874749</a>"
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": true
              },
              "samsunginternet_android": {
                "version_added": true,
                "notes": "Samsung Internet does not defer scripts with the <code>defer</code> attribute when the page is served as XHTML (<code>application/xhtml+xml</code>) - <a href='https://crbug.com/611136'>Chromium Issue #611136</a>, <a href='https://crbug.com/874749'>Chromium Issue #874749</a>"
              },
              "webview_android": {
                "version_added": true,
                "notes": "WebView does not defer scripts with the <code>defer</code> attribute when the page is served as XHTML (<code>application/xhtml+xml</code>) - <a href='https://crbug.com/611136'>Chromium Issue #611136</a>, <a href='https://crbug.com/874749'>Chromium Issue #874749</a>"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "integrity": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "45"
              },
              "chrome_android": {
                "version_added": "45"
              },
              "edge": {
                "version_added": "17",
                "partial_implementation": true
              },
              "firefox": {
                "version_added": "43"
              },
              "firefox_android": {
                "version_added": "43"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "45"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "language": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "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": false,
              "deprecated": true
            }
          }
        },
        "nomodule": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "61"
              },
              "chrome_android": {
                "version_added": "61"
              },
              "edge": {
                "version_added": "16"
              },
              "firefox": [
                {
                  "version_added": "60"
                },
                {
                  "version_added": "55",
                  "version_removed": "60",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.moduleScripts.enabled",
                      "value_to_set": "true"
                    }
                  ]
                }
              ],
              "firefox_android": [
                {
                  "version_added": "60"
                },
                {
                  "version_added": "55",
                  "version_removed": "60",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.moduleScripts.enabled",
                      "value_to_set": "true"
                    }
                  ]
                }
              ],
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "48"
              },
              "opera_android": {
                "version_added": "45"
              },
              "safari": {
                "version_added": "11"
              },
              "safari_ios": {
                "version_added": "11"
              },
              "samsunginternet_android": {
                "version_added": "8.0"
              },
              "webview_android": {
                "version_added": "61"
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "referrerPolicy": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "70"
              },
              "chrome_android": {
                "version_added": "70"
              },
              "edge": {
                "version_added": "≤79"
              },
              "firefox": {
                "version_added": "65"
              },
              "firefox_android": {
                "version_added": "65"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "10.0"
              },
              "webview_android": {
                "version_added": "70"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "src": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "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
            }
          }
        },
        "text": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "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
            }
          }
        },
        "type": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "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
            }
          },
          "module": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "61"
                },
                "chrome_android": {
                  "version_added": "61"
                },
                "edge": {
                  "version_added": "16"
                },
                "firefox": [
                  {
                    "version_added": "60"
                  },
                  {
                    "version_added": "54",
                    "version_removed": "60",
                    "flags": [
                      {
                        "type": "preference",
                        "name": "dom.moduleScripts.enabled",
                        "value_to_set": "true"
                      }
                    ]
                  }
                ],
                "firefox_android": [
                  {
                    "version_added": "60"
                  },
                  {
                    "version_added": "54",
                    "version_removed": "60",
                    "flags": [
                      {
                        "type": "preference",
                        "name": "dom.moduleScripts.enabled",
                        "value_to_set": "true"
                      }
                    ]
                  }
                ],
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": "48"
                },
                "opera_android": {
                  "version_added": "45"
                },
                "safari": {
                  "version_added": "10.1"
                },
                "safari_ios": {
                  "version_added": "10.3"
                },
                "samsunginternet_android": {
                  "version_added": "8.0"
                },
                "webview_android": {
                  "version_added": "61"
                }
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "version_parameter": {
            "__compat": {
              "description": "The <code>version</code> parameter of the <code>type</code> attribute",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": true,
                  "version_removed": "59"
                },
                "firefox_android": {
                  "version_added": true,
                  "version_removed": "59"
                },
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "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": false
              }
            }
          }
        }
      }
    }
  }
}