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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> {{str}} </h1>
- <h2> {{str}} </h2>
- </div>
- <script>
- // let oApp = document.querySelector('#app');
- // oApp.innerText = "hello world!";
- let app = new Vue({
- el:'#app',//挂载点 只有在这个元素内部才能访问到vue实例 vue 才能工作
- data:{//数据 放置与页面有关联性的数据
- str:'hello world!'
- }
- });
- </script>
- </body>
- </html>
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