PerformanceResourceTiming.toJSON()

The toJSON() method is a serializer that returns a JSON representation of the PerformanceResourceTiming object.

Syntax

json = resourcePerfEntry.toJSON();

Arguments

None
 

Return value

json
A JSON object that is the serialization of the PerformanceResourceTiming object as a map with entries from the closest inherited interface and with entries for each of the serializable attributes.

Example

// 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

Specification Status Comment
Resource Timing Level 1
The definition of 'toJSON' in that specification.
Candidate Recommendation Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support43 Yes40 No3011
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support4343 Yes4230114.0

Document Tags and Contributors

Contributors to this page: ExE-Boss, rolfedh, AFBarstow
Last updated by: ExE-Boss,