Performance.setResourceTimingBufferSize()

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The setResourceTimingBufferSize() method sets the browser's resource timing buffer size to the specified number of "resource" performance entry type objects.

A browser's recommended resource timing buffer size is at least 150 performance entry objects.

Syntax

performance.setResourceTimingBufferSize(maxSize);

Arguments

maxSize
A number representing the maximum number of performance entry objects the browser should hold in its performance entry buffer.

Return value

none
This method has no return value.

Example

function set_resource_timing_buffer_size(maxSize) {
  if (performance === undefined) {
    log("Browser does not support Web Performance");
    return;
  }
  var supported = typeof performance.setResourceTimingBufferSize == "function";
  if (supported) {
    log("... Performance.setResourceTimingBufferSize() = Yes");
    performance.setResourceTimingBufferSize(maxSize);
  } else {
    log("... Performance.setResourceTimingBufferSize() = NOT supported");
  }
}

Specifications

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

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support. (Yes) (Yes) (Yes) (Yes) 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) (Yes) (Yes) (Yes) No support (Yes)

Document Tags and Contributors

 Contributors to this page: jpmedley, rolfedh, AFBarstow
 Last updated by: jpmedley,