jquery获取链接地址和跳转详解（推荐）

<script type="text/javascript">(function ($) {  $.getUrlParam = function (name) {    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");    var r = window.location.search.substr(1).match(reg);    if (r != null) return unescape(r[2]); return null;  }})(jQuery);$(function () {  alert(window.location.href);  alert($.getUrlParam('page'));})</script>

$(document).ready(function(){  $("button").click(function(){   alert($("#w3s").attr("href"));  }); });