function getUrlParam(name){ var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)"); var r = window.location.search.substr(1).match(reg); if (r!=null) return unescape(r[2]); return null; } //獲取http://xxxx.com/index.html?abc=123中的abc值 getUrlParam('abc'); //輸出123