简单教程
提交运行
代码编辑器:
<style> div#main{ width:220px; height:300px; border:1px solid black; display:flex; align-items:center; } div#main div{ flex: 1; } </style> <div id="main"> <div style="background-color:coral;">RED</div> <div style="background-color:lightblue;">BLUE</div> <div style="background-color:lightgreen;">Green div with more content.</div> </div> <p>点击“尝试一下”按钮设置 alignItems 属性的值为 "flex-start"</p> <button onclick="myFunction()">尝试一下</button> <script> function myFunction(){ document.getElementById("main").style.alignItems = "flex-start"; } </script> <p><b>注意:</b>Safari 不支持 alignItems 属性</p>
运行结果: