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
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 49.0 | (Yes) | No support | (Yes) | ? |
Feature | Android | Android Webview | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|---|
Basic support | No support | 49.0 | (Yes) | No support | (Yes) | ? | 49.0 |