MyJavaScriptCode/mouseImageChange.html at master · YuHe0108/MyJavaScriptCode · GitHub

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<!DOCTYPE html>
<html>
<head>
<metacharset="utf-8">
<metahttp-equiv="X-UA-Compatible" content="IE=edge">
<title>容器属性</title>
<linkrel="stylesheet" href="">
<style>
*{
margin:0;
padding:0;
list-style: none;
 }
 .c_father {
margin-left:33%;
margin-top:5%;
 }
#i_smouse{
width:360px;
height:60px;
box-sizing: border-box;
 }
 .c_bmouse{
height:430px;
width:430px;
margin-bottom:20px;
 }
ul{
height:60px;
width:430px;

display: flex;
align-items: center;
justify-content: space-between;

cursor: pointer;
 }
 .actived{
border:2px solid #000;
box-sizing: border-box;
 }
</style>
</head>
<body>
<divclass="c_father">
<divclass="c_bmouse">
<imgsrc="mouse/big_mouse1.jpg" alt="" id="i_big">
</div>
<divid="i_smouse" class="c_smouse">
<ul>
<li><ahref="http://www.baidu.com"><imgsrc="mouse/small_mouse1.jpg" alt=""></a></li>
<li><imgsrc="mouse/small_mouse2.jpg" alt=""></li>
<li><imgsrc="mouse/small_mouse3.jpg" alt=""></li>
<li><imgsrc="mouse/small_mouse4.jpg" alt=""></li>
<li><imgsrc="mouse/small_mouse5.jpg" alt=""></li>
</ul>
</div>
</div>
<!--
 容器属性的用法：

 -->
<script>
window.onload=function(){
varoBigImg=document.getElementById('i_big');//获得大图片的标签元素
varbigSrc=oBigImg.getAttribute("src");//获取大图片的src
// oBigImg.setAttribute("src", "mouse/big_mouse2.jpg");

varoSmaImg=document.getElementsByTagName('img');
for(vari=1;i<oSmaImg.length;i++){
oSmaImg[i].index=i;
oSmaImg[i].onmouseover=function(){
varsrc="mouse/big_mouse"+this.index+".jpg";
// console.log(src);
oBigImg.setAttribute("src",src);
this.className="actived";
};
oSmaImg[i].onmouseout=function(){
this.className="";
};
}


};
</script>
</body>
</html>