02 vue简单跑马灯效果 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>跑马灯效果</title>
     <!-- 1.导入vue的包 -->
     <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
    <div id="app">
        <button @click="lang">start</button>
       <p> {{msg}}</p>
    </div>
   
    <script>
        var vm=new Vue({
            el:"#app",
            data:{
                msg:"我是跑马灯效果呀！",
            },
            methods:{
                lang(){
                    setInterval(()=>{
                        var start=this.msg.substring(0,1);
                        var end=this.msg.substring(1);
                        this.msg=end+start;
                    },200)
                }
            }

        })    
    </script>
</body>
</html>

　　跑马灯效果

posted @ 2019-11-12 17:26  zhupan  阅读(256)  评论(0)    收藏  举报