if request has query string javascript code example

Example 1: get url query params js

const urlParams = new URLSearchParams(window.location.search);
const myParam = urlParams.get('myParam');

Example 2: javascript reading query parameter

// example url: https://mydomain.com/?fname=johnny&lname=depp
const urlParams = new URLSearchParams(window.location.search);
const firstName = urlParams.get('fname'); // johnny