vue --->跑马灯制作 - 烙心
vue --->跑马灯制作
1 <html lang="en">2
3 <head>
4 <meta charset="UTF-8">
5 <meta name="viewport" content="width=device-width, initial-scale=1.0">
6 <meta http-equiv="X-UA-Compatible" content="ie=edge">
7 <title>跑马灯的制作</title>
8 </head>
9 <script src="../js/vue.js"></script>
10
11 <body>
12 <div id="app">
13 <button @click="bili">点我啊</button>
14 <button @click="stop">停止啊</button>
15 <h2>{{msg}}</h2>
16 </div>
17 <script>
18 var vm = new Vue({
19 el: "#app",
20 data: {
21 msg: "别浪 ...猥琐发育",
22 intervalid: null
23 },
24 methods: {
25 bili() {
26 //let this
27 // =>箭头函数 ---指向外部this 和外部的保持一致
28 if (this.intervalid != null)
29 return;
30 this.intervalid = setInterval(() => {
31 let start = this.msg.substring(0, 1)
32 let end = this.msg.substring(1)
33 this.msg = end + start
34 }, 500)
35 },
36 stop() {
37 clearInterval(this.intervalid)
38 this.intervalid = null
39 }
40
41
42 }
43 })
44
45 </script>
46 </script>
47 </body>
48
49 </html>
posted on
2019-05-18 16:02
烙心
阅读(253)
评论(0)
编辑
收藏
举报
以上是 vue --->跑马灯制作 - 烙心 的全部内容, 来源链接: utcz.com/z/380004.html