Performance.toJSON()

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

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

Specification Status Comment
High Resolution Time Level 2
The definition of 'toJSON() serializer' in that specification.
Editor's Draft Defines toJson().

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
toJSON() No support 25.0 (25.0) ? No support No support
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile Chrome for Android
toJSON() No support No support 25.0 (25.0) 1.2 (25.0) ? No support ? No support

Document Tags and Contributors

 Contributors to this page: jpmedley, rolfedh, AFBarstow
 Last updated by: jpmedley,