The clearResourceTimings()
method removes all performance entries
with an entryType
of "resource
" from the browser's performance data buffer and sets the size of the performance data buffer to zero. To set the size of the browser's performance data buffer, use the Performance.setResourceTimingBufferSize()
method.
Note: This feature is available in Web Workers.
Syntax
performance.clearResourceTimings();
Arguments
- void
Return value
- none
- This method has no return value.
Example
function load_resource() { var image = new Image(); image.src = "https://developer.mozilla.org/static/img/opengraph-logo.png"; } function clear_performance_timings() { if (performance === undefined) { log("Browser does not support Web Performance"); return; } // Create a resource timing performance entry by loading an image load_resource(); var supported = typeof performance.clearResourceTimings == "function"; if (supported) { console.log("Run: performance.clearResourceTimings()"); performance.clearResourceTimings(); } else { console.log("performance.clearResourceTimings() NOT supported"); return; } // getEntries should now return zero var p = performance.getEntriesByType("resource"); if (p.length == 0) console.log("... Performance data buffer cleared"); else console.log("... Performance data buffer NOT cleared!"); }
Specifications
Specification | Status | Comment |
---|---|---|
Resource Timing Level 1 The definition of 'clearResourceTimings()' in that specification. |
Candidate Recommendation | Initial definition. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
clearResourceTimings | Chrome
Full support
46
| Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support 11 | WebView Android
Full support
46
| Chrome Android
Full support
46
| Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support 11 | Samsung Internet Android
Full support
5.0
|
Legend
- Full support
- Full support
- Requires a vendor prefix or different name for use.
- Requires a vendor prefix or different name for use.