dom / latest / urlsearchparams / has.html /

URLSearchParams.has()

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

Note: This feature is available in Web Workers

Syntax

has(name)

Parameters

name

The name of the parameter to find.

Return value

A boolean value.

Examples

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

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

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
has
49
17
29
No
36
10.1
49
49
29
36
10.3
5.0

© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams/has