<script src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script>   <form>        <h3>Log in</h3>        <input type="text" name="user" placeholder="user" id="user">        <input type="password" name="pass" placeholder="password" id="pass">        <input type="checkbox" id="remember" checked><br/><br/>        <input type="button" value="登錄" id="sub" onclick="loginBtn_click()">    </form><script type="text/javascript">    $(document).ready(function(){        var strName = localStorage.getItem('UserName');        var strPass = localStorage.getItem('UserPass');        if(strName){            $('#user').val(strName);        }if(strPass){            $('#pass').val(strPass);        }    });    function loginBtn_click(){        debugger            var strName = $('#user').val();            var strPass = $('#pass').val();            localStorage.setItem('UserName',strName);            if($('#remember').is(':checked')){                localStorage.setItem('UserPass',strPass);            }else{                localStorage.removeItem('UserPass');            }            window.location.reload();        }</script>