This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The append() method of the URLSearchParams
interface appends a specified key/value pair as a new search parameter.
Syntax
URLSearchParams.append(name, value)
Parameters
- name
- The name of the parameter to append.
- value
- The value of the parameter to append.
Returns
Void
Example
let url = new URL('https://example.com?foo=1&bar=2'); let params = new URLSearchParams(url.search.slice(1)); //Add a second foo parameter. params.append('foo', 4); //Query string is now: 'foo=1&bar=2&foo=4'
Specifications
Specification | Status | Comment |
---|---|---|
URL The definition of 'append()' 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 |
See also
- Other URL-related interfaces:
URL
,URLUtils
. - Google Developers: Easy URL manipulation with URLSearchParams