Performance.onresourcetimingbufferfull

The onresourcetimingbufferfull property is an event handler that will be called when the resourcetimingbufferfull event is fired. This event is fired when the browser's resource timing performance buffer is full.

Note: This feature is available in Web Workers.

Syntax

callback = performance.onresourcetimingbufferfull = buffer_full_cb;

Return value

callback: An EventHandler that is invoked when the resourcetimingbufferfull event is fired.

Examples

The following example sets a callback function on the onresourcetimingbufferfull property.

function buffer_full(event) {
  console.log("WARNING: Resource Timing Buffer is FULL!");
  performance.setResourceTimingBufferSize(200);
}
function init() {
  // Set a callback if the resource buffer becomes filled
  performance.onresourcetimingbufferfull = buffer_full;
}
<body onload="init()">

Specifications

Specification	Status	Comment
Resource Timing Level 1 The definition of 'onresourcetimingbufferfull' in that specification.	Candidate Recommendation	Initial definition.

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`onresourcetimingbufferfull`	Chrome Full support 46 Full support 46 No support 22 — 57 Alternate Name Alternate Name Uses the non-standard name: `onwebkitresourcetimingbufferfull`	Edge Full support ≤79	Firefox Full support Yes	IE No support No	Opera No support No	Safari Full support 11	WebView Android Full support 46 Full support 46 No support ? — 57 Alternate Name Alternate Name Uses the non-standard name: `onwebkitresourcetimingbufferfull`	Chrome Android Full support 46 Full support 46 No support 25 — 57 Alternate Name Alternate Name Uses the non-standard name: `onwebkitresourcetimingbufferfull`	Firefox Android Full support Yes	Opera Android Full support Yes	Safari iOS No support No	Samsung Internet Android Full support 5.0 Full support 5.0 No support 1.5 — 7.0 Alternate Name Alternate Name Uses the non-standard name: `onwebkitresourcetimingbufferfull`

Legend

Full support: Full support
No support: No support
Uses a non-standard name.: Uses a non-standard name.