Node.js URLSearchParams.toString()

Last Updated : 14 Oct, 2021

In URLSearchParams interface, the toString() method returns a query string which is suitable for use in a URL. Syntax:

URLSearchParams.toString()

Return:Returns the search parameters serialized as a string(with Characters percent-encoded). Example 1:

javascript

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

//Add another parameter.
params.append('par', 4);
console.log(params.toString());

Output:

'foo=1&bar=2&par=4'

Example 2: To create parameters directly

javascript

// note: params can also be directly created
let url = new URL('https://example.com?par=1&bar=2');
let params1 = url.searchParams;
console.log(params1.toString());
// or even simpler
let params2 = new URLSearchParams('par=1&bar=2');
console.log(params2.toString());

Output:

par=1&bar=2
par=1&bar=2

Supported Browsers:

Google Chrome
IE
Edge
Opera
Apple Safari

Node.js URLSearchParams.keys()

DeepakDev

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Node.js URLSearchParams.toString()

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