PerformanceNavigationTiming.toJSON()

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The toJSON() method is a serializer - it returns a JSON representation of the PerformanceNavigationTiming object.

Syntax

json = resourcePerfEntry.toJSON();

Arguments

None
 

Return value

json
A JSON object that is the serialization of the PerformanceNavigationTiming 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("navigation");
var entry = perfEntries[0];

// Get the JSON and log it
var json = entry.toJSON();
var s = JSON.stringify(json);
console.log("PerformanceNavigationTiming.toJSON() = " + s);

Specifications

Specification Status Comment
Navigation Timing Level 2
The definition of 'toJSON()' in that specification.
Working Draft Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome Full support 43Edge Full support YesFirefox Full support 40IE No support NoOpera Full support 30Safari Full support 11WebView Android Full support 43Chrome Android Full support 43Edge Mobile Full support YesFirefox Android Full support 42Opera Android Full support 30Safari iOS Full support 11Samsung Internet Android Full support 4.0

Legend

Full support  
Full support
No support  
No support

Document Tags and Contributors

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