$( function (){ |
var iconH = $( ".sprite" ).find( "s" ).height(), |
triggerLi = $( ".sprite" ).children( "li" ); |
//console.log(iconH); |
triggerLi.each( function (){ |
var $ this = $( this ), |
$index = $ this .index(); |
//console.log($index) |
//console.log(iconH*$index); |
$ this .children( "s" ).css( "background-position" , "0 -" + iconH*$index + "px" ) |
$ this .hover( function (){ |
// 鼠标移入 |
$ this .children( "s" ).css( "background-position" , "-24px -" + iconH*$index + "px" ) |
}, function (){ |
// 鼠标移出 |
$ this .children( "s" ).css( "background-position" , "0 -" + iconH*$index + "px" ) |
}) |
}) |
}) |