Question

我正在尝试显示一个名为欢迎用户和我输入的此用户的警报这是我的代码

＆＃13;

<html>
    <head>
        <title>First Page A1 </title>
        <link type="text/css" rel="stylesheet" href="text.css">
		<script type="text/javascript" src = "game.js"></script>   
    </head>
    <body >
        
        <div  id="container">
			<h1>
				  Khokha Game
				</h1>
		    <div id="formContent">
				<form id="myform" action="game.html"  method="get" >
					<table>
						<tr>
                               <td>Your Name</td>
								<td><input type="text" id="username" name="username"></td>
						</tr>
      
						<tr>
                                <td>Difficulty</td>
								<td>
								<select id="difficulty" name="difficylty">
									<option value="1">Easy</option>
                                   <option value="2">Medium</option>
                                   <option value="3">Difficult</option>
                           
								</select></td>
						</tr>
						
						<tr>
								<td><input type="submit" id="submit" value="Start" onclick="checkCookie()"></td>
						</tr>
            
					</table>
				</form>
			</div>
		</div>
    </body>
	
<script>


function setCookie(cname,cvalue,exdays) {
    var d = new Date();
    d.setTime(d.getTime() + (exdays*24*60*60*1000));
    var expires = "expires=" + d.toGMTString();
    document.cookie = cname+"="+cvalue+"; "+expires;
}

function getCookie(cname) {
    var name = cname + "=";
    var ca = document.cookie.split(';');
    for(var i=0; i<ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1);
        if (c.indexOf(name) == 0) {
            return c.substring(name.length, c.length);
        }
    }
    return " ";
}

function checkCookie() {
    var user=getCookie("username");
    if (user != "") {
        alert("Welcome again " + user);
    } else {
       user = document.getElementById("username");
	   //alert(user);
       if (user != "" && user != null) {
           setCookie("username", user, 1);
       }
    }
}

</script>		
</html>

＆＃13;

但是会发生什么是cookie没有存储用户的价值而且我不知道为什么..任何帮助？我不能很好地

无法在javascript中显示保存在cookie中的值

0 个答案: