The toJSON()
method of the Performance
interface is a standard serializer: it returns a JSON representation of the performance object's properties.
myPerf = performance.toJSON()
Performance
object.var js; js = window.performance.toJSON(); console.log("json = " + JSON.stringify(js));
Specification | Status | Comment |
---|---|---|
High Resolution Time Level 2 The definition of 'toJSON() serializer' in that specification. | Candidate Recommendation | Defines toJson() . |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | No | Yes | 25 | ? | No | No |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | No | No | Yes | 25 | No | No | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/Performance/toJSON