PerformanceNavigation: toJSON() method

Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

Warning: This interface of this property is deprecated in the Navigation Timing Level 2 specification. Please use the PerformanceNavigationTiming interface instead.

The toJSON() method of the PerformanceNavigation interface is a serializer; it returns a JSON representation of the PerformanceNavigation object.

Syntax

toJSON()

Parameters

None.

Return value

A JSON object that is the serialization of the PerformanceNavigation object.

Specifications

Specification
Navigation Timing Level 2 # dom-performancenavigation-tojson

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`toJSON` Deprecated	Chrome – Full support Chrome 56 (Release date: 2017-01-25) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – Full support Firefox 25 (Release date: 2013-10-29) footnote footnote Before Firefox 70, this property could return incorrect values. See bug 1459711.	Opera – Full support Opera 43 (Release date: 2017-02-07) footnote Full support	Safari – Full support Safari 14.1 (Release date: 2021-04-26) footnote Full support	Chrome Android – Full support Chrome Android 56 (Release date: 2017-02-01) footnote Full support	Firefox for Android – Full support Firefox for Android 25 (Release date: 2013-10-29) footnote footnote Before Firefox for Android 79, this property could return incorrect values. See bug 1459711.	Opera Android – Full support Opera Android 43 (Release date: 2017-09-27) footnote Full support	Safari on iOS – Full support Safari on iOS 14.5 (Release date: 2021-04-26) footnote Full support	Samsung Internet – Full support Samsung Internet 6 (Release date: 2017-08-23) footnote Full support	WebView Android – Full support WebView Android 56 (Release date: 2017-02-01) footnote Full support	WebView on iOS – Full support WebView on iOS 14.5 (Release date: 2021-04-26) footnote Full support

Tip: you can click/tap on a cell for more information.

Full support: Full support
: Deprecated. Not for use in new websites.
: See implementation notes.