The has()
method of the URLSearchParams
interface returns a Boolean
that indicates whether a parameter with the specified name exists.
Note: This feature is available in Web Workers.
Syntax
var hasName = URLSearchParams.has(name)
Parameters
- name
- The name of the parameter to find.
Return value
A Boolean
.
Examples
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.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
has | Chrome Full support 49 | Edge Full support 17 | Firefox Full support 29 | IE No support No | Opera Full support 36 | Safari Full support Yes | WebView Android Full support 49 | Chrome Android Full support 49 | Firefox Android Full support 29 | Opera Android Full support 36 | Safari iOS Full support Yes | Samsung Internet Android Full support 5.0 |
Legend
- Full support
- Full support
- No support
- No support