URLSearchParams.has

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

Browser compatibility