Performance.onresourcetimingbufferfull

onresourcetimingbufferfull 属性是一个在 resourcetimingbufferfull 事件触发时会被调用的 event handler (en-US)。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