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.


callback = performance.onresourcetimingbufferfull = buffer_full_cb;

Return value

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


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

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


Specification Status Comment
Resource Timing
The definition of 'onresourcetimingbufferfull' in that specification.
Editor's Draft Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support. (Yes) (Yes) No support No support No support
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile Chrome for Android
Basic support. No support (Yes) (Yes) ? No support (Yes) No support (Yes)

See also


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