源代码：
下载代码
AI 编程工具
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> <style> .item3 { grid-column: auto / span 2; } .grid-container { display: grid; grid-template-columns: auto auto auto; grid-template-rows: auto auto; grid-gap: 10px; background-color: #2196F3; padding: 10px; } .grid-container > div { background-color: rgba(255, 255, 255, 0.8); text-align: center; padding: 20px 0; font-size: 30px; } </style> </head> <body> <h1>grid-auto-flow 属性</h1> <p><em>grid-auto-flow</em> 属性指定自动布局算法怎样运作</p> <p>以下网格布局有两行两列。</p> <p>"item3" 跨越两列, 哪个元素填充前面的空白?</p> <h2>grid-auto-flow: row</h2> <div class="grid-container" style="grid-auto-flow: row;"> <div class="item1">1</div> <div class="item2">2</div> <div class="item3">3</div> <div class="item4">4</div> </div> <h2>grid-auto-flow: row dense</h2> <p>The "dense" value fills holes in the grid:</p> <div class="grid-container" style="grid-auto-flow: row dense;"> <div class="item1">1</div> <div class="item2">2</div> <div class="item3">3</div> <div class="item4">4</div> </div> </body> </html>
运行结果：
AI 编程工具