// https://testsite.com/users?page=10&pagesize=25&order=asc
const urlParams = new URLSearchParams(window.location.search);
const pageSize = urlParams.get('pageSize');const params = new URLSearchParams(window.location.search);
// Check if we have the param
if (params.has("myParam")) {
console.log("Yep! We have it. Value is: " + params.get("myParam"));
} else {
console.log("The param myParam is not present.");
}// 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'))var url_string = "http://www.example.com/t.html?a=1&b=3&c=m2-m3-m4-m5"; //window.location.href
var url = new URL(url_string);
var c = url.searchParams.get("c");
console.log(c);