js get the string method after "?" in url

url : index.php?id=123

复制代码代码如下:

<script type="text/javascript">

function GetRequest() {

var url = location.search; //获取url中"?"符后的字串

var theRequest = new Object();

if (url.indexOf("?") != -1) {

var str = url.substr(1);

strs = str.split("&");

for ( var i = 0; i < strs.length; i++) {

theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);

}

}

return theRequest;

}

var Request=undefined;

Request=GetRequest();

var id=Request["id"];

</script>