老师帮忙看下
来源:3-19 编程练习
母鸡阿
2020-06-17 11:11:43
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>mouse</title>
<style type="text/css">
#div{overflow:auto;width:200px;height:200px;border:2px solid gray;margin-bottom:20px;}
#content{width:200px;height:100px;border:2px solid gray;}
</style>
</head>
<body>
<div id="div">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod,tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo,consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse,cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non,proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
</div>
<div id="content"></div>
<script type="text/javascript">
//补充代码
var dom=document.getElementById("div");
var con=document.getElementById("content")
dom.onscroll=function(){
this.style.color='#f00';
}
dom.onmousedown=function(){
con.innerHTML="内容滚动了";
}
dom.onmouseout=function(){
this.style.color='green';
}
</script>
</body>
</html>
1回答
好帮手慕码
2020-06-17
同学你好,解答如下:效果不太符合练习要求,建议修改:

如果我的回答帮助了你,欢迎采纳,祝学习愉快~
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