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Performance.onresourcetimingbufferfull - Web API 接口参考编辑

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EventHandler 。

例子

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

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	Status	Comment
Resource Timing Level 1 onresourcetimingbufferfull	Candidate Recommendation	Initial definition.

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Desktop
Mobile

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
Basic support.	(Yes) -webkit 46 (unprefixed) 57 (prefixed version removed)	(Yes)	未实现	未实现	未实现

Feature	Android Webview	Chrome for Android	Firefox Mobile (Gecko)	Firefox OS	IE Phone	Opera Mobile	Safari Mobile
Basic support.	(Yes) -webkit 46 (unprefixed) 57 (prefixed version removed)	(Yes) -webkit 46 (unprefixed) 57 (prefixed version removed)	(Yes)	?	未实现	(Yes)	未实现