Performance.toJSON()

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.

Performance 接口的 toJSON() 方法是一个标准的 序列化器,它返回 Performance 对象的 JSON 表示。

语法

js
toJSON()

参数

无。

返回值

myPerf

Performance 对象序列化之后转化成的 JSON 对象。

示例

js
var js;
js = window.performance.toJSON();
console.log("json = " + JSON.stringify(js));

规范

Specification
High Resolution Time
# dom-performance-tojson

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
toJSON

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support