Performance.onresourcetimingbufferfull
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