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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>
- </head>
- <body>
- <h1>认识js</h1>
- <!-- 1. 认识js -->
- <!-- js需要写在script标签中 -->
- <!-- 一般script标签写在body底部 -->
- <script>
- alert("hello world");
- console.log("hello world");
- </script>
- </body>
- </html>
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