URLSearchParams.keys()

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

The URLSearchParams.keys() method returns an iterator allowing to go through all keys contained in this object. The keys are USVString objects.

Note: This method is available in Web Workers.

Syntax

searchParams.keys();

Return value

Returns an iterator.

Example

// Create a test URLSearchParams object 
var searchParams = new URLSearchParams("key1=value1&key2=value2"); 

// Display the key/value pairs 
for(var key of searchParams.keys()) { 
  console.log(key); 
}

The result is:

key1
key2

Specifications

Specification Status Comment
URL
The definition of 'keys() (as iterator<>)' in that specification.
Living Standard Initial definition

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic supportChrome Full support 49Edge ? Firefox Full support 44IE No support NoOpera Full support 36Safari ? WebView Android Full support 49Chrome Android Full support 49Edge Mobile ? Firefox Android Full support 44Opera Android Full support 36Safari iOS ? Samsung Internet Android ?

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown

See also

Document Tags and Contributors

Contributors to this page: fscholz, chrisdavidmills, jpmedley, teoli
Last updated by: fscholz,