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
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 49 | 17 | 26 | No | 36 | ? |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | 49 | 49 | 17 | 26 | 36 | ? | ? |