This article needs a technical review. How you can help.
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 | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
toJSON() |
No support | 25.0 (25.0) | 1.2 (25.0) | ? | No support | ? |