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.
performance.setResourceTimingBufferSize(maxSize);
number representing the maximum number of performance entry objects the browser should hold in its performance entry buffer.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");
}
}
| Specification | Status | Comment |
|---|---|---|
| Resource Timing Level 1 The definition of 'setResourceTimingBufferSize()' in that specification. | Candidate Recommendation | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 46
|
Yes | Yes | Yes | Yes | No |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 46
|
46
|
Yes | Yes | Yes | No | ? |
© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/Performance/setResourceTimingBufferSize