Vue基础之跑马灯效果 

<!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>Document</title>
    <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>

<body>
    <!-- 视图层 -->
    <div id="app">
        <p>{{ message }}</p>
        <input type="button" value="开始" @click="start">
        <input type="button" value="结束" @click="stop">
    </div>

    <!-- VM层（挂载数据层） -->
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
                message: 'Hello World!',
                interval: null
            },
            methods: {
                start() {
                    if (this.interval == null) {
                        this.interval = setInterval(() => {
                            var str1 = this.message.substring(0, 1);
                            var str2 = this.message.substring(1);
                            this.message = str2 + str1;
                        }, 300);
                    }
                },
                stop() {
                    clearInterval(this.interval);
                    this.interval = null;
                },
            }
        });
    </script>
</body>

</html>

<!-- run -->
<div id="app">
 <p>{{ message }}</p>
        <input type="button" value="开始" @click="start">
        <input type="button" value="结束" @click="stop">
</div>

<script>
new Vue({
            el: '#app',
            data: {
                message: 'Hello World!',
                interval: null
            },
            methods: {
                start() {
                    if (this.interval == null) {
                        this.interval = setInterval(() => {
                            var str1 = this.message.substring(0, 1);
                            var str2 = this.message.substring(1);
                            this.message = str2 + str1;
                        }, 300);
                    }
                },
                stop() {
                    clearInterval(this.interval);
                    this.interval = null;
                },
            }
        });
</script>
posted @ 2022-10-29 14:59  CoderWGB  阅读(488)  评论(0)    收藏  举报