Performance.toJSON()

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.
Candidate Recommendation Defines toJson().

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
toJSON() No support (Yes) 25.0 (25.0) ? No support No support

Document Tags and Contributors

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