performance.toJSON() - Web APIs 编辑

The toJSON() method of the Performance interface is a standard serializer: it returns a JSON representation of the performance object's properties.

Note:

Syntax

myPerf = performance.toJSON()

Arguments

None

 

Return value

myPerf

A JSON object that is the serialization of the Performance object.

Example

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

Specifications

Browser compatibility

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