This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The URLSearchParams() constructor creates and returns a new URLSearchParams object. Leading '?' are ignored.


var URLSearchParams = new URLSearchParams(init);


init Optional
USVString or a URLSearchParams instance. 

Return value

An instance of URLSearchParams.


The following example shows how to create a URLSearchParams object from a URL string.

// or construct from window.location
let url = new URL('https://example.com?foo=1&bar=2'); 

let params = new URLSearchParams(url.search.slice(1));

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 49.0 29.0 (29.0) ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 49.0 29.0 (29.0) ? ? ? 49.0

Document Tags and Contributors

 Contributors to this page: teoli, jpmedley, rolfedh
 Last updated by: teoli,