{"json_modified": "2016-03-28T08:29:10.339762", "uuid": "7cd60c79-2138-44b1-9c96-e65a175fe705", "title": "PerformanceTiming.loadEventStart", "url": "/en-US/docs/Web/API/PerformanceTiming/loadEventStart", "tags": ["API", "Navigation Timing", "Read-only", "PerformanceTiming", "Reference", "Property", "R\u00e9f\u00e9rence"], "translations": [], "modified": "2015-02-22T10:50:54", "label": "PerformanceTiming.loadEventStart", "localization_tags": [], "locale": "en-US", "id": 81533, "last_edit": "2015-02-22T10:47:17", "summary": "The <code><strong>PerformanceTiming</strong></code><strong><code>.loadEventStart</code></strong> read-only property returns an <code>unsigned long long</code> representing the moment, in miliseconds since the UNIX epoch, when the <code><a href=\"/en-US/docs/Web/Events/load\" title=\"/en-US/docs/Web/Events/load\">load</a></code> event was sent for the current document. If this event has not yet been sent, it returns <code>0.</code>", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Summary", "title": "Summary"}, {"id": "Syntax", "title": "Syntax"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/PerformanceTiming/loadEventStart", "review_tags": []}