| { |
| "api": { |
| "PerformanceObserver": { |
| "__compat": { |
| "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver", |
| "spec_url": "https://w3c.github.io/performance-timeline/#dom-performanceobserver", |
| "tags": [ |
| "web-features:performance" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "52" |
| }, |
| "chrome_android": "mirror", |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "57" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": false |
| }, |
| "nodejs": [ |
| { |
| "version_added": "19.0.0" |
| }, |
| { |
| "version_added": "8.5.0", |
| "partial_implementation": true, |
| "notes": "Available as a part of the `perf_hooks` module." |
| } |
| ], |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "11" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| }, |
| "PerformanceObserver": { |
| "__compat": { |
| "description": "`PerformanceObserver()` constructor", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver/PerformanceObserver", |
| "spec_url": "https://w3c.github.io/performance-timeline/#dom-performanceobserver-constructor", |
| "tags": [ |
| "web-features:performance" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "52" |
| }, |
| "chrome_android": "mirror", |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "57" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": false |
| }, |
| "nodejs": { |
| "version_added": "8.5.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "11" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| }, |
| "droppedEntriesCount": { |
| "__compat": { |
| "description": "`droppedEntriesCount()` parameter", |
| "spec_url": "https://w3c.github.io/performance-timeline/#dom-performanceobservercallbackoptions-droppedentriescount", |
| "tags": [ |
| "web-features:performance" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "95" |
| }, |
| "chrome_android": "mirror", |
| "edge": "mirror", |
| "firefox": { |
| "version_added": false |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": false |
| }, |
| "nodejs": { |
| "version_added": false |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": false |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": true, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| } |
| }, |
| "worker_support": { |
| "__compat": { |
| "description": "Available in workers", |
| "tags": [ |
| "web-features:performance" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "62" |
| }, |
| "chrome_android": "mirror", |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "57" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": false |
| }, |
| "nodejs": { |
| "version_added": "11.7.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "11" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "disconnect": { |
| "__compat": { |
| "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver/disconnect", |
| "spec_url": "https://w3c.github.io/performance-timeline/#dom-performanceobserver-disconnect", |
| "tags": [ |
| "web-features:performance" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "52" |
| }, |
| "chrome_android": "mirror", |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "57" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": false |
| }, |
| "nodejs": { |
| "version_added": "8.5.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "11" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "observe": { |
| "__compat": { |
| "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver/observe", |
| "spec_url": "https://w3c.github.io/performance-timeline/#dom-performanceobserver-observe", |
| "tags": [ |
| "web-features:performance" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "52" |
| }, |
| "chrome_android": "mirror", |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "57" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": false |
| }, |
| "nodejs": { |
| "version_added": "8.5.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "11" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "supportedEntryTypes_static": { |
| "__compat": { |
| "description": "`supportedEntryTypes()` static method", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver/supportedEntryTypes_static", |
| "spec_url": "https://w3c.github.io/performance-timeline/#supportedentrytypes-attribute", |
| "tags": [ |
| "web-features:performance" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "73" |
| }, |
| "chrome_android": "mirror", |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "68" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": false |
| }, |
| "nodejs": { |
| "version_added": "16.0.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "13" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| }, |
| "takeRecords": { |
| "__compat": { |
| "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver/takeRecords", |
| "spec_url": "https://w3c.github.io/performance-timeline/#dom-performanceobserver-takerecords", |
| "tags": [ |
| "web-features:performance" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "65" |
| }, |
| "chrome_android": "mirror", |
| "edge": "mirror", |
| "firefox": { |
| "version_added": "60" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": false |
| }, |
| "nodejs": { |
| "version_added": "16.0.0" |
| }, |
| "oculus": "mirror", |
| "opera": "mirror", |
| "opera_android": "mirror", |
| "safari": { |
| "version_added": "15" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| } |
| } |
| } |
| } |