URLSearchParams.has
Last updated: 2025-03-10 17:23:45
URLSearchParams.has is used to check whether the search parameter for the key exists.
has(key: string): boolean
Parameters
Parameter | Type | Description |
key | string | Key. |
Return
Type | Description |
boolean | Whether the search parameter for the key exists. |
Samples
Check whether the search parameter for the key exists:
import url from 'pts/url';export default function() {const params = new url.URLSearchParams('key1=value1&key2=value2');console.log(params.has('key1')); // trueconsole.log(params.has('key3')); // false}
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