Performance.onresourcetimingbufferfull

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2015.

onresourcetimingbufferfull 属性是一个在 resourcetimingbufferfull 事件触发时会被调用的 event handler。这个事件当浏览器的资源时间性能缓冲区已满时会触发。

语法

callback = performance.onresourcetimingbufferfull = buffer_full_cb;

返回值

callback

一个当 resourcetimingbufferfull 事件触发时调用的事件处理器。

例子

下面的示例在 onresourcetimingbufferfull 属性上设置一个回调函数。

js
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()">

规范

Specification
Resource Timing
# dom-performance-onresourcetimingbufferfull

浏览器兼容性

BCD tables only load in the browser

参见