菜鸟教程在线编辑器

AI 编程工具

 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>

<p>点击按钮修改当前文档的背景颜色。</p>

<button onclick="myFunction()">点我</button>

<script>
function myFunction() {
    document.body.style.backgroundColor = "yellow";
}
</script>

</body>
</html>
              