1-11编程练习

<!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">
     var text=document.getElementById("text");
     var blick=0;
     var intervals=setInterval(function(){
     if(blick==0){
     blick=1;
     text.innerHTML="☆☆☆今日特卖☆☆☆";

     }else{
     blick=0;
     text.innerHTML="★★★今日特卖★★★";

     }
     },500);
        </script>
    </body>
</html>

老师这样做有没有问题啊？我用的是匿名函数

OlafChou 2017-07-16

源自：JavaScript BOM基础 1-25 编程练习