performance.toJSON()
The toJSON() method of the Performance
interface is a standard serializer: it returns a JSON representation of the performance
object's properties.
Note: This feature is available in Web Workers.
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. |
Recommendation | Defines toJson(). |
Browser compatibility
BCD tables only load in the browser