PerformanceNavigationTiming.toJSON()
Experimental: 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 |
---|
Navigation Timing Level 2 # dom-performancenavigationtiming-tojson |
Browser compatibility
BCD tables only load in the browser