extract url params

urlParams.js

//Since http://devdocs.io/dom/urlutils.searchparams is not already bake! 

//the url to parse
var url = "https://toto.com/truc/?param1=yo&param2=toto&tutu=titi";

// Create a HTMLAnchorElement
var a = document.createElement('a');
// Lazy dev let the browser do the hard job and parse the url
a.href = url;

var param = a.search.match(/(?:[\?|&])([^=]+)=([^&]+)/g)
	.map(function(pattern){
	  return pattern.replace(/^\?|&/,'').split('=');
	})
	.reduce(function(memo, token){
	  memo[token[0]] = unescape(token[1]);
	  return memo;
	},{});
	
console.log(param) // Object { param1: "yo", param2: "toto", tutu: "titi" }