Answers for "get url value using js"

get value from url

// view.jsp?id=101
let queryString = window.location.search; 
let urlParams = new URLSearchParams(queryString);
let opportunity_id = urlParams.get('id');

js get variable from url

var queryDict = {};
location.search.substr(1).split("&").forEach(function(item) {queryDict[item.split("=")[0]] = item.split("=")[1]})