JS返回当前浏览器参数

//返回当前浏览器参数
  function getCurrentUrlParam(){
    var name= getUrlParam('name');
    var age= getUrlParam('age');
    var add= getUrlParam('add');
    var url_string = '';
    if(name){
      var url_string = url_string + "&name="+name;
    }
    if(age){
      var url_string = url_string + "&age="+age;
    }
    if(add){
      var url_string = url_string + "&add="+add;
    }
    return url_string;
  }