URLSearchParams.toString()

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

Note: This method returns the query string without the question mark. This is different from window.location.search, which includes it.

Note: This feature is available in Web Workers

Syntax

toString()

Parameters

None.

Return value

A string, without the question mark. (Returns an empty string if no search parameters have been set.)

Examples

const url = new URL('https://example.com?foo=1&bar=2');
const params = new URLSearchParams(url.search);

// Add a second foo parameter.
params.append('foo', 4);
console.log(params.toString()); // Prints 'foo=1&bar=2&foo=4'

Specifications

Specification
URL Standard
# urlsearchparams-stringification-behavior

Browser compatibility

BCD tables only load in the browser

See also