<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
div {
margin-top: 20px;
width: 200px;
height: 200px;
background-color: red;
position: absolute;
top: 100px;
left: 10px;
z-index: 1;
}
img {
position: absolute;
top: 100px;
left: 10px;
}
</style>
</head>
<body>
<button>动！！！</button>
<div></div>
<script>
//需求：点击按钮，让盒子和图片同事移开，并且，图片压住盒子.
var btn = document.getElementsByTagName("button")[0];
var div = document.getElementsByTagName("div")[0];
var img = document.getElementsByTagName("img")[0];
//绑定事件
btn.onclick = function () {
div.style.top = "300px";
div.style.left = "300px";
img.style.top = "300px";
img.style.left = "300px";
img.style.zIndex = "2";
}
</script>
</body>
</html>
网友评论