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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <script src="./js/vue.js"></script>
- </head>
- <body>
- <div id="app">
- <h1 v-if="num <= 10">{{num}}</h1>
- <h1 v-else>已经为最大值了</h1>
- <button @click="addFun">add</button>
- </div>
- <!-- <div>{{num}}</div> -->
- <script>
- let app = new Vue({
- el: '#app',
- data:{
- num:0
- },
- methods: {
- addFun:function(){
- this.num++
- }
- },
- })
- </script>
- </body>
- </html>
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