a标签跳转页面传参

a标签跳转到B页面

B页面

<script type="text/javascript">
        var sHref = window.location.href;
        var args = sHref.split("?");
        var retval = "";
        var str = args[1];
        args = str.split("&");
        for (var i = 0; i < args.length; i++) {
            str = args[i];
            var arg = str.split("=");
            if (arg.length <= 1) continue;
            if (arg[0] == "id") retval = arg[1];
        }
        alert(retval);
      
    </script>