// https://testsite.com/users?page=10&pagesize=25&order=asc
const urlParams = new URLSearchParams(window.location.search);
const pageSize = urlParams.get('pageSize');// www.example.com/users?token=12345
let params = (new URL(document.location)).searchParams;
let token = params.get("token");
// 12345const queryString = window.location.search;
const urlParams = new URLSearchParams(queryString);
const code = urlParams.get('code')const params = new URLSearchParams(window.location.search);
const something = decodeURIComponent(params.get('hi'));
// or shorter, no need to use variables
decodeURIComponent((new URLSearchParams(window.location.search)).get('hi'))// Example URL: https://example.com/over/there?name=ferret
const queryString = window.location.search;
const urlParams = new URLSearchParams(queryString);
const parameter_name = urlParams.get('name')
console.log(parameter_name);let url = 'https://www.example.com?name=n1&name=n2';
let params = (new URL(url)).searchParams;
params.get('name') // "n1"
params.getAll('name') // ["n1", "n2"]