The toJSON() method is a serializer that returns a JSON representation of the PerformanceResourceTiming object.
PerformanceResourceTiming.toJSON()
Syntax
toJSON()
Parameters
None
Return value
- json
-
A JSON object that is the serialization of the
PerformanceResourceTimingobject as a map with entries from the closest inherited interface and with entries for each of the serializable attributes.
Examples
// Get a resource performance entry var perfEntries = performance.getEntriesByType("resource"); var entry = perfEntries[0]; // Get the JSON and log it var json = entry.toJSON(); var s = JSON.stringify(json); console.log("PerformanceEntry.toJSON = " + s);
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
toJSON |
43
|
16
|
34
|
No
|
30
|
11
|
43
|
43
|
34
|
30
|
11
|
4.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/toJSON
