不管是鼠标经过超链接还是经过层,都可以实现
javascript方式: 熟悉使用document.getElementById()取得节点对象
.div_n {
width : 300px ;
height : 250px ;
border : 1px solid gray ;
}
style >
function changeSrc1()
{
document.getElementById( " myImage " ).src = " /images/2.gif "
}
function changeSrc2()
{
document.getElementById( " myImage " ).src = " /images/1.gif "
}
script >
head >
a >
div >
body >
html >
css+div方式: 合理控制层的样式
New Document title >
.main {
width : 300px ;
height : 250px ;
border : 1px solid gray ;
}
.content {
width : 150px ;
height : 160px ;
border : 1px solid gray ;
background-image : url(images/2.gif) ;
background-repeat : no-repeat ;
}
.content:hover {
background-image : url(images/3.jpg) ;
}
a {
text-decoration : none ;
}
style >
head >
div > a >
div >
body >
html >
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