菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>   
<html>   
<head>   
<meta charset=" utf-8">   
<title>使用 window.onload() 执行多个函数</title>
<style type="text/css">
#bg{
  width:100px;
  height:100px;
  border:4px solid blue;
}
</style>
<script type="text/javascript">
window.onload=function(){
	// 设置背景颜色
    function runoob1(){
        document.getElementById("bg").style.backgroundColor="#F00";
    }
	// 改变宽度与高度
    function runoob2(){
        document.getElementById("bg").style.width="200px";
        document.getElementById("bg").style.height="200px";
    }
    runoob1();
    runoob2();
}
</script>
</head>
<body>
    <div id="bg"></div>
</body>
</html>
              