URLSearchParams()
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 literal sequence of name-value string pairs, or any object — such as a
FormData
object — with an iterator that produces a sequence of string pairs. Note that thatFile
entries will be serialized as[object File]
rather than as their filename (as they would in anapplication/x-www-form
-urlencoded form). - 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 |
---|
URL Standard (URL) # dom-urlsearchparams-urlsearchparams |
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
URLSearchParams |
49 |
17 |
29 |
No |
36 |
10.1 |
49 |
49 |
29 |
36 |
10.3 |
5.0 |
USVString |
49 |
17 |
29 |
No |
36 |
10.1 |
49 |
49 |
29 |
36 |
10.3 |
5.0 |
record |
61 |
17 |
54 |
No |
48 |
11 |
61 |
61 |
54 |
45 |
11 |
8.0 |
sequence |
58 |
17 |
53 |
No |
45 |
11 |
58 |
58 |
53 |
43 |
11 |
7.2 |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams/URLSearchParams