<!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