![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
PHPzCorrection status：qualified
Teacher's comments：一篇文章只需要一个作业博客就可以了
Collection
Collection
<!doctype html><html><head><meta charset="utf-8" /><title>简单布局演示</title></head><body><!--1. div+id布局--><div id="header">页眉</div><div id="main">主体</div><div id="footer">页脚</div><!--2. div+class布局--><div class="header">页眉</div><div class="main">主体</div><div class="footer">页脚</div><!--3. 语义化布局--><header>页眉</header><main>主体</main><footer>页脚</footer><!--4. 优化div+class布局--><div class="article header">文章页眉</div><div class="article main">文章主体</div><div class="article footer">文章页脚</div></body></html>