本文实例为大家分享了javascript实现点击小图显示大图的具体代码,供大家参考,具体内容如下
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<!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 {
list-style: none;
}
#imagegallery li {
margin: 0px 20px 20px 0px;
padding: 0px;
display: inline;
}
#imagegallery li a img {
border: 0;
}
</ style >
</ head >
< body >
< h2 >
美女画廊
</ h2 >
< ul id = "imagegallery" >
< li >
< a href = "images/1.jpg" rel = "external nofollow" title = "美女A" >
< img src = "images/1-small.jpg" width = "100" alt = "美女1" />
</ a >
</ li >
< li >< a href = "images/2.jpg" rel = "external nofollow" title = "美女B" >
< img src = "images/2-small.jpg" width = "100" alt = "美女2" />
</ a ></ li >
< li >< a href = "images/3.jpg" rel = "external nofollow" title = "美女C" >
< img src = "images/3-small.jpg" width = "100" alt = "美女3" />
</ a ></ li >
< li >< a href = "images/4.jpg" rel = "external nofollow" title = "美女D" >
< img src = "images/4-small.jpg" width = "100" alt = "美女4" />
</ a ></ li >
</ ul >
< div style = "clear:both" ></ div >
<!--显示大图的-->
< img id = "image" src = "images/placeholder.png" alt = "" width = "450" />
< p id = "des" >选择一个图片</ p >
< script >
// 获取ul元素对象
var imagegallery = document.getElementById("imagegallery")
// 获取a元素 数组
var a = imagegallery.getElementsByTagName("a")
// 获取大图元素对象
var image = document.getElementById("image")
// 获取p标签
var des = document.getElementById("des")
// console.log(imagegallery,a)
// 遍历数组元素为每一个a链接注册点击事件
for(var i = 0; i < a.length ; i++){
a[i] .onclick = function (){
// 将a链接中的href中的值赋值给大图的src属性
image.src = this .href
// 将a链接中的title的值作为内容赋值给p标签
des.innerHTML = this .title
return false
}
}
//点击a标签,把a标签中的href的属性值给id为image的src属性
//把a的title属性的值给id为des的p标签赋值
//阻止超链接默认的跳转
// return false;
</script>
</ body >
</ html >
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/weixin_47591145/article/details/110223144