URLSearchParams.has()

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

 

The has() method of the URLSearchParams interface returns a Boolean that indicates whether a parameter with the specified name exists.

Syntax

var hasName = URLSearchParams.has(name)

Parameters

name
The name of the parameter to find.

Returns

A Boolean.

Example

let url = new URL('https://example.com?foo=1&bar=2');
let params = new URLSearchParams(url.search.slice(1));

params.has('bar') === true; //true

Specifications

Specification Status Comment
URL
The definition of 'has()' 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 Full support 17Firefox Full support 26IE No support NoOpera Full support 36Safari ? WebView Android Full support 49Chrome Android Full support 49Edge Mobile Full support 17Firefox Android Full support 26Opera Android Full support 36Safari iOS ? Samsung Internet Android ?

Legend

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

Document Tags and Contributors

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