URLSearchParams.toString

The toString() method of the URLSearchParams interface returns a string containg a query string suitable for use in a URL.

Syntax

URLSearchParams.toString()

Returns

A string.

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);
console.log(params.toString());
//Prints 'foo=1&bar=2&foo=4'.

Specifications

Browser compatibility

See also

• Other URL-related interfaces: URL, URLUtils.
• Google Developers: Easy URL manipulation with URLSearchParams