{"json_modified": "2016-10-18T10:29:03.802864", "uuid": "21fcaafe-1ace-4cfc-b2b9-974e57791551", "title": "Performance.now()", "url": "/en-US/docs/Web/API/Performance/now", "tags": ["API", "performance", "Reference", "Performance", "Web Performance API", "Method"], "translations": [{"uuid": "01e9d53f-ba98-4ec5-accb-918547c5c0de", "title": "Performance.now()", "url": "/fr/docs/Web/API/Performance/now", "tags": [], "summary": "La m\u00e9thode\u00a0<code><strong>Performance.now()</strong></code> retourne un <a href=\"/fr/docs/Web/API/DOMHighResTimeStamp\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>DOMHighResTimeStamp</code></a>, mesur\u00e9 en millisecondes, avec une pr\u00e9cision d'un milli\u00e8me de milliseconde, \u00e9gale au nombre de millisecondes depuis le <a href=\"/fr/docs/Web/API/PerformanceTiming/navigationStart\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>PerformanceTiming.navigationStart</code></a>.", "localization_tags": ["inprogress"], "locale": "fr", "last_edit": "2014-06-02T06:03:27", "review_tags": []}, {"uuid": "0d7f4d82-2954-4f79-ad05-6c06d03d9cd3", "title": "Performance.now()", "url": "/ru/docs/Web/API/Performance/now", "tags": ["API", "Web Performance API", "performance", "Performance"], "summary": "\u041c\u0435\u0442\u043e\u0434\u00a0<code><strong>Performance.now()</strong></code>\u00a0\u0432\u043e\u0437\u0440\u0430\u0449\u0430\u0435\u0442 \u0432\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u043c\u0435\u0442\u043a\u0443\u00a0<a href=\"/ru/docs/Web/API/DOMHighResTimeStamp\" title=\"&#x414;&#x43E;&#x43A;&#x443;&#x43C;&#x435;&#x43D;&#x442;&#x430;&#x446;&#x438;&#x44F; &#x43E;&#x431; &#x44D;&#x442;&#x43E;&#x43C; &#x435;&#x449;&#x451; &#x43D;&#x435; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x430;; &#x43F;&#x43E;&#x436;&#x430;&#x43B;&#x443;&#x439;&#x441;&#x442;&#x430;, &#x43F;&#x43E;&#x441;&#x43F;&#x43E;&#x441;&#x43E;&#x431;&#x441;&#x442;&#x432;&#x443;&#x439;&#x442;&#x435; &#x435;&#x451; &#x43D;&#x430;&#x43F;&#x438;&#x441;&#x430;&#x43D;&#x438;&#x44E;!\"><code>DOMHighResTimeStamp</code></a>, \u0438\u0437\u043c\u0435\u0440\u044f\u0435\u043c\u0443\u044e\u00a0\u0432 \u043c\u0438\u043b\u043b\u0438\u0441\u0435\u043a\u0443\u043d\u0434\u0430\u0445, \u0441 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c\u044e\u00a0\u0434\u043e \u043e\u0434\u043d\u043e\u0439 \u0442\u044b\u0441\u044f\u0447\u043d\u043e\u0439 \u043c\u0438\u043b\u043b\u0438\u0441\u0435\u043a\u0443\u043d\u0434\u044b.", "localization_tags": [], "locale": "ru", "last_edit": "2016-05-09T04:40:10", "review_tags": []}, {"uuid": "12624023-714f-4ef0-8225-51776860bf3d", "title": "Performance.now()", "url": "/zh-CN/docs/Web/API/Performance/now", "tags": [], "summary": "<strong>window.performance.now() </strong>\u8fd4\u56de\u4e00\u4e2a\u65f6\u95f4\u6233,\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d,\u7cbe\u786e\u5230\u5343\u5206\u4e4b\u4e00\u6beb\u79d2.", "localization_tags": [], "locale": "zh-CN", "last_edit": "2015-02-24T18:56:16", "review_tags": []}], "modified": "2016-10-18T10:29:03", "label": "Performance.now()", "localization_tags": [], "locale": "en-US", "id": 65257, "last_edit": "2016-10-18T10:28:55", "summary": "The <code><strong>Performance.now()</strong></code> method returns a <a href=\"/en-US/docs/Web/API/DOMHighResTimeStamp\" title=\"The DOMHighResTimeStamp type is a double and is used to store a time value. The value could be a discrete point in time or the difference in time between two discrete points in time. The unit is milliseconds and should be accurate to 5 &#xB5;s (microseconds). However, if the browser is unable to provide a time value accurate to 5 microseconds (due, for example, to hardware or software constraints), the browser can represent the value as a time in milliseconds accurate to a millisecond.\"><code>DOMHighResTimeStamp</code></a>, measured in milliseconds, accurate to one thousandth of a millisecond.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Example", "title": "Example"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/Performance/now", "review_tags": ["technical"]}