The URLSearchParams()
constructor creates and returns a new URLSearchParams
object.
Note: This feature is available in Web Workers.
Syntax
var URLSearchParams = new URLSearchParams(init);
Parameters
init
Optional
One of:
- A
USVString
, which will be parsed fromapplication/x-www-form-urlencoded
format. A leading'?'
character is ignored. - A sequence of
USVString
pairs, representing names/values. - A record of
USVString
keys andUSVString
values.
Return value
A URLSearchParams
object instance.
Examples
The following example shows how to create a URLSearchParams
object from a URL string.
// Retrieve params via url.search, passed into ctor var url = new URL('https://example.com?foo=1&bar=2'); var params = new URLSearchParams(url.search); // Pass in a string literal var params2 = new URLSearchParams("foo=1&bar=2"); var params2a = new URLSearchParams("?foo=1&bar=2"); // Pass in a sequence of pairs var params3 = new URLSearchParams([["foo", "1"], ["bar", "2"]]); // Pass in a record var params4 = new URLSearchParams({"foo": "1", "bar": "2"});
Specifications
Specification | Status | Comment |
---|---|---|
URL The definition of 'URLSearchParams()' 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 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
URLSearchParams() constructor | Chrome Full support 49 | Edge Full support 17 | Firefox Full support 29 | IE No support No | Opera Full support 36 | Safari Full support 10.1 | WebView Android Full support 49 | Chrome Android Full support 49 | Firefox Android Full support 29 | Opera Android Full support 36 | Safari iOS Full support 10.3 | Samsung Internet Android Full support 5.0 |
USVString or sequence for init object | Chrome Full support 61 | Edge Full support 17 | Firefox Full support 53 | IE No support No | Opera Full support 48 | Safari Full support Yes | WebView Android Full support 61 | Chrome Android Full support 61 | Firefox Android Full support 53 | Opera Android Full support 45 | Safari iOS Full support Yes | Samsung Internet Android Full support 8.0 |
Legend
- Full support
- Full support
- No support
- No support