javascript 原生代码 |
<ul class= "nav" > |
<li><a href= "/" > 首页 </a></li> |
<li id= "li_1" onmouseover= "show(1)" onmouseout= "hide(1)" ><a href= "http://www.wufangbo.com/category/css/" >css</a> |
<dl id= "dl_1" > |
<dd><a href= "#" >老凡CSS</dd> |
<dd><a href= "#" >中凡CSS</dd> |
<dd><a href= "#" >小凡CSS</dd> |
</dl> |
</li> |
<li id= "li_2" onmouseover= "show(2)" onmouseout= "hide(2)" ><a href= "http://www.wufangbo.com/category/css3-html5/" >css3</a> |
<dl id= "dl_2" > |
<dd><a href= "#" >老凡CSS</dd> |
<dd><a href= "#" >中凡CSS</dd> |
<dd><a href= "#" >小凡CSS</dd> |
</dl> |
</li> |
<li><a href= "http://www.wufangbo.com/category/javascript/" >javascript</a> </li> |
<li><a href= "http://www.wufangbo.com/category/jquery/" >jquery</a> </li> |
<li id= "li_3" onmouseover= "show(3)" onmouseout= "hide(3)" ><a href= "http://www.wufangbo.com/category/yhty/" >ued</a> |
<dl id= "dl_3" > |
<dd><a href= "#" >老凡CSS</dd> |
<dd><a href= "#" >中凡CSS</dd> |
<dd><a href= "#" >小凡CSS</dd> |
</dl> |
</li> |
<li><a href= "http://www.wufangbo.com/category/linux/" >linux</a> </li> |
<li><a href= "http://www.wufangbo.com/category/wordpress/" >wordpress</a> </li> |
</ul> |
function show(i) |
{ |
document.getElementById( 'dl_' +i).style.display= 'block' ; |
|
} |
function hide(i) |
{ |
document.getElementById( 'dl_' +i).style.display= 'none' ; |
} |
jquery的原生代码 |
$( "document" ).ready( function (){ |
$( ".nav li" ).hover( function (){ |
$( this ).find( 'dl' ).show(); |
}, function (){ |
$( this ).find( 'dl' ).hide(); |
}) |
$( ".nav li" ).mouseover( function (){ |
$( this ).find( 'dl' ).fadeIn( 'slow' ); |
}) |
|
$( ".nav li" ).mouseout( function (){ |
$( this ).find( 'dl' ).hide(); |
}) |
}) |