麻烦老师帮忙检查一下代码，谢谢~

来源：1-25 编程练习

慕粉2243585596

2020-05-17 12:49:26

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>闪烁的文字</title>
        <style type="text/css">
            div{
                width:200px;
                height:200px;
                line-height:200px;
                border:2px solid gray;
                text-align:center;
                color:red;
            }
        </style>
    </head>
<body>
    <h3>会闪烁的文字</h3>
        <div id="text"> </div>
        <script type="text/javascript">
            //补充代码
             var div=document.getElementsByTagName("div")[0];
             var time=0;
             time=setInterval(function(){
                 if(time==0){
                     div.innerHTML="☆☆☆今日特卖☆☆☆"
                     time=1;
                 }else{
                     div.innerHTML="★★★今日特卖★★★"
                     time=0; 
                 }
             },500)
        </script>
    </body>
</html>

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