{
    "dom-element-elementtiming": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/Element.json",
            "name": "elementTiming",
            "slug": "API/Element/elementTiming",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Element/elementTiming",
            "summary": "The elementTiming property of the Element interface identifies elements for observation in the PerformanceElementTiming API. The elementTiming property reflects the value of the elementtiming attribute.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "Element: elementTiming property"
        }
    ],
    "ref-for-dom-performanceelementtiming-element": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "element",
            "slug": "API/PerformanceElementTiming/element",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming/element",
            "summary": "The element read-only property of the PerformanceElementTiming interface returns an Element which is a pointer to the observed element.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming: element property"
        }
    ],
    "ref-for-dom-performanceelementtiming-id": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "id",
            "slug": "API/PerformanceElementTiming/id",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming/id",
            "summary": "The id read-only property of the PerformanceElementTiming interface returns the id of the associated element.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming: id property"
        }
    ],
    "ref-for-dom-performanceelementtiming-identifier": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "identifier",
            "slug": "API/PerformanceElementTiming/identifier",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming/identifier",
            "summary": "The identifier read-only property of the PerformanceElementTiming interface returns the value of the elementtiming attribute on the element.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming: identifier property"
        }
    ],
    "ref-for-dom-performanceelementtiming-intersectionrect": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "intersectionRect",
            "slug": "API/PerformanceElementTiming/intersectionRect",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming/intersectionRect",
            "summary": "The intersectionRect read-only property of the PerformanceElementTiming interface returns the rectangle of the element within the viewport.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming: intersectionRect property"
        }
    ],
    "ref-for-dom-performanceelementtiming-loadtime①": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "loadTime",
            "slug": "API/PerformanceElementTiming/loadTime",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming/loadTime",
            "summary": "The loadTime read-only property of the PerformanceElementTiming interface always returns 0 for text. For images it returns the time which is the latest between the time the image resource is loaded and the time it is attached to the element.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming: loadTime property"
        }
    ],
    "ref-for-dom-performanceelementtiming-naturalheight": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "naturalHeight",
            "slug": "API/PerformanceElementTiming/naturalHeight",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming/naturalHeight",
            "summary": "The naturalHeight read-only property of the PerformanceElementTiming interface returns the intrinsic height of the image element.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming: naturalHeight property"
        }
    ],
    "ref-for-dom-performanceelementtiming-naturalwidth": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "naturalWidth",
            "slug": "API/PerformanceElementTiming/naturalWidth",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming/naturalWidth",
            "summary": "The naturalWidth read-only property of the PerformanceElementTiming interface returns the intrinsic width of the image element.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming: naturalWidth property"
        }
    ],
    "ref-for-dom-performanceelementtiming-rendertime①": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "renderTime",
            "slug": "API/PerformanceElementTiming/renderTime",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming/renderTime",
            "summary": "The renderTime read-only property of the PerformanceElementTiming interface returns the render time of the associated element.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming: renderTime property"
        }
    ],
    "dom-performanceelementtiming-tojson": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "toJSON",
            "slug": "API/PerformanceElementTiming/toJSON",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming/toJSON",
            "summary": "The toJSON() method of the PerformanceElementTiming interface is a serializer; it returns a JSON representation of the PerformanceElementTiming object.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming: toJSON() method"
        }
    ],
    "ref-for-dom-performanceelementtiming-url": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "url",
            "slug": "API/PerformanceElementTiming/url",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming/url",
            "summary": "The url read-only property of the PerformanceElementTiming interface returns the initial URL of the resource request when the element is an image.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming: url property"
        }
    ],
    "sec-performance-element-timing": [
        {
            "engines": [
                "blink"
            ],
            "filename": "api/PerformanceElementTiming.json",
            "name": "PerformanceElementTiming",
            "slug": "API/PerformanceElementTiming",
            "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceElementTiming",
            "summary": "The PerformanceElementTiming interface contains render timing information for image and text node elements the developer annotated with an elementtiming attribute for observation.",
            "support": {
                "chrome": {
                    "version_added": "77"
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                    "version_added": false
                },
                "firefox_android": "mirror",
                "ie": {
                    "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                    "version_added": false
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "edge_blink": {
                    "version_added": "79"
                }
            },
            "title": "PerformanceElementTiming"
        }
    ]
}