js get url variables

JavaScript
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);const queryString = window.location.search;
const urlParams = new URLSearchParams(queryString);
const code = urlParams.get('code')const postID = (new URLSearchParams(window.location.search)).get('post');examplepage.php?var1=value&var2=value
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