{
    "dom-performancenavigationtiming-domcomplete": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "domComplete",
            "slug": "API/PerformanceNavigationTiming/domComplete",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/domComplete",
            "summary": "The domComplete read-only property returns a timestamp representing the time value equal to the time immediately before the user agent sets the current document readiness of the current document to complete.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.domComplete"
        }
    ],
    "dom-performancenavigationtiming-domcontentloadedeventend": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "domContentLoadedEventEnd",
            "slug": "API/PerformanceNavigationTiming/domContentLoadedEventEnd",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/domContentLoadedEventEnd",
            "summary": "The domContentLoadedEventEnd read-only property returns a timestamp representing the time value equal to the time immediately after the current document's DOMContentLoaded event completes.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.domContentLoadedEventEnd"
        }
    ],
    "dom-performancenavigationtiming-domcontentloadedeventstart": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "domContentLoadedEventStart",
            "slug": "API/PerformanceNavigationTiming/domContentLoadedEventStart",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/domContentLoadedEventStart",
            "summary": "The domContentLoadedEventStart read-only property returns a timestamp representing the time value equal to the time immediately before the user agent fires the DOMContentLoaded event at the current document.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.domContentLoadedEventStart"
        }
    ],
    "dom-performancenavigationtiming-dominteractive": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "domInteractive",
            "slug": "API/PerformanceNavigationTiming/domInteractive",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/domInteractive",
            "summary": "The domInteractive read-only property returns a timestamp representing the time value equal to the time immediately before the user agent sets the current document readiness of the current document to interactive.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.domInteractive"
        }
    ],
    "dom-performancenavigationtiming-loadeventend": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "loadEventEnd",
            "slug": "API/PerformanceNavigationTiming/loadEventEnd",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/loadEventEnd",
            "summary": "The loadEventEnd read-only property returns a timestamp which is equal to the time when the load event of the current document is completed.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.loadEventEnd"
        }
    ],
    "dom-performancenavigationtiming-loadeventstart": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "loadEventStart",
            "slug": "API/PerformanceNavigationTiming/loadEventStart",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/loadEventStart",
            "summary": "The loadEventStart read-only property returns a timestamp representing the time value equal to the time immediately before the load event of the current document is fired.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.loadEventStart"
        }
    ],
    "dom-performancenavigationtiming-redirectcount": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "redirectCount",
            "slug": "API/PerformanceNavigationTiming/redirectCount",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/redirectCount",
            "summary": "The redirectCount property returns a timestamp representing the number of redirects since the last non-redirect navigation under the current browsing context.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.redirectCount"
        }
    ],
    "dom-performancenavigationtiming-tojson": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "toJSON",
            "slug": "API/PerformanceNavigationTiming/toJSON",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/toJSON",
            "summary": "The toJSON() method is a serializer - it returns a JSON representation of the PerformanceNavigationTiming object.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "16"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.toJSON()"
        }
    ],
    "dom-performancenavigationtiming-type": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "type",
            "slug": "API/PerformanceNavigationTiming/type",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/type",
            "summary": "The type read-only property returns the type of navigation.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.type"
        }
    ],
    "dom-performancenavigationtiming-unloadeventend": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "unloadEventEnd",
            "slug": "API/PerformanceNavigationTiming/unloadEventEnd",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/unloadEventEnd",
            "summary": "The unloadEventEnd read-only property returns a timestamp representing the time value equal to the time immediately after the user agent finishes the unload event of the previous document. If there is no previous document, this property value is 0.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.unloadEventEnd"
        }
    ],
    "dom-performancenavigationtiming-unloadeventstart": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "unloadEventStart",
            "slug": "API/PerformanceNavigationTiming/unloadEventStart",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming/unloadEventStart",
            "summary": "The unloadEventStart read-only property returns a timestamp representing the time value equal to the time immediately before the user agent starts the unload event of the previous document. If there is no previous document, this property returns 0.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58"
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming.unloadEventStart"
        }
    ],
    "sec-PerformanceNavigationTiming": [
        {
            "engines": [
                "blink",
                "gecko",
                "webkit"
            ],
            "filename": "api/PerformanceNavigationTiming.json",
            "name": "PerformanceNavigationTiming",
            "slug": "API/PerformanceNavigationTiming",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceNavigationTiming",
            "summary": "The PerformanceNavigationTiming interface provides methods and properties to store and retrieve metrics regarding the browser's document navigation events. For example, this interface can be used to determine how much time it takes to load or unload a document.",
            "support": {
                "chrome": {
                    "version_added": "57"
                },
                "chrome_android": "mirror",
                "edge": {
                    "version_added": "12"
                },
                "firefox": {
                    "version_added": "58",
                    "notes": "You can disable this feature using the <code>dom.enable_performance_navigation_timing</code> preference (see <a href='https://bugzil.la/1403926'>bug 1403926</a>)."
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": "11"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": "15"
                },
                "safari_ios": {
                    "version_added": "15.1"
                },
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceNavigationTiming"
        }
    ]
}
