js擷取url的參數和值的N種有效方法

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js擷取url的參數和值的N種有效方法

function getParameterByName(name)  {    name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");    var regexS = "[\\?&]" + name + "=([^&#]*)";    var regex = new RegExp(regexS);    var results = regex.exec(window.location.search);    if(results == null)      return "";    else      return decodeURIComponent(results[1].replace(/\+/g, " "));  }  

 

function getParameterByName(name) {      var match = RegExp(‘[?&]‘ + name + ‘=([^&]*)‘)                      .exec(window.location.search);      return match && decodeURIComponent(match[1].replace(/\+/g, ‘ ‘));  } 

 

var qs = (function(a) {      if (a == "") return {};      var b = {};      for (var i = 0; i < a.length; ++i)      {          var p=a[i].split(‘=‘);          if (p.length != 2) continue;          b[p[0]] = decodeURIComponent(p[1].replace(/\+/g, " "));      }      return b;  })(window.location.search.substr(1).split(‘&‘));  

$.urlParam = function(name){      var results = new RegExp(‘[\\?&]‘ + name + ‘=([^&#]*)‘).exec(window.location.href);      if (!results)      {           return 0;       }      return results[1] || 0;  }  

 

js擷取url的參數和值的N種有效方法