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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
Performanceobject.
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 |