效果描述:点击美女小图,将在指定区域查看大图以及图片名称
美女画廊.png 图片显示效果.png 对应图库.png源代码:
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style type="text/css">
body {
font-family: "Helvetica","Arial",serif;
color: #333;
background-color: #ccc;
margin: 1em 10%;
}
h1 {
color: #333;
background-color: transparent;
}
a {
color: #c60;
background-color: transparent;
font-weight: bold;
text-decoration: none;
}
ul {
padding: 0;
}
li {
float: left;
padding: 1em;
list-style: none;
}
#imagegallery {
}
#imagegallery a {
margin: 0px 20px 20px 0px;
padding: 0px;
display: inline;
}
#imagegallery a img {
border: 0;
}
</style>
<link rel="stylesheet" href="">
<script src=""> </script>
</head>
<body>
<h2>
美女画廊
</h2>
<div id="imagegallery">
<a href="images/1.jpg" title="美女A">
<img src="images/1-small.jpg" width="100px" alt="美女1" />
</a>
<a href="images/2.jpg" title="美女B">
<img src="images/2-small.jpg" width="100px" alt="美女2" />
</a>
<a href="images/3.jpg" title="美女C">
<img src="images/3-small.jpg" width="100px" alt="美女3" />
</a>
<a href="images/4.jpg" title="美女D">
<img src="images/4-small.jpg" width="100px" alt="美女4" />
</a>
</div>
<div style="clear:both"></div>
<img id="image" src="images/placeholder.png" alt="" width="450px" />
<p id="des">选择一个图片</p>
<script>
var imagegallery = document.getElementById('imagegallery');
var links = imagegallery.getElementsByTagName('a');
// 遍历所有的a,给a注册单击事件
for (var i = 0; i < links.length; i++) {
var link = links[i];
link.onclick = function () {
var img = document.getElementById("image");
var des = document.getElementById("des");
img.src = this.href;
des.innerText = this.title;
return false;
}
}
console.log(link);
</script>
</body>
</html>
script中步骤:
1 获取div中的所有a标签
2 给所有a标签注册事件
3 取消a标签的跳转功能
4 遍历的时候为何不能使用link.href 获取到数据
5 事件处理函数中的this所指向的位置
网友评论