js渐变显示渐变消失示例代码

function showAccomplishmentTableRow(){ 
$("#accomplishmenttable tr:hidden").first().show(2000,function(){ 
showAccomplishmentTableRow(); 
}); 
if($("#accomplishmenttable tr:hidden").size()==0){ 
$("#accomplishmenttable").next().attr("onclick","hideAccomplishmentTableRow()").text("Less"); 
} 
} 
function hideAccomplishmentTableRow(){ 
if($("#accomplishmenttable tr:visible").size()<=3){ 
$("#accomplishmenttable").next().attr("onclick","showAccomplishmentTableRow()").text("More"); 
return; 
} 

$("#accomplishmenttable tr:visible").last().hide(2000,function(){ 
hideAccomplishmentTableRow(); 
}); 

} 
 
html 
 代码如下:

<table id="accomplishmenttable" class="bgWhite border3PGreye7e7e7 marginT20 roundedCorner width100P"> 
<tbody> 
<tr class="bgLightGreyf5f5f5 height40"> 
<th class="border_bottom3Pgreye7e7e7 border_right1Pgreye7e7e7 border_top1PWhite fontGreyGeneral textCenter roundedCorner_TL verticalMiddle width30P" colspan="2">MY ACCOMPLISHMENTS</th> 
</tr> 

<tr class="bgWhite height40"> 
<td class="border_bottom1Pgreye7e7e7 border_right1Pgreye7e7e7 fontGreyGeneral p14Font width20P"> 
<div class="margin5">border_bottom1Pgreye7e7e7</div> 
</td> 
<td class="border_bottom1Pgreye7e7e7 border_right1Pgreye7e7e7 fontGreyGeneral p14Font textLeft width80P"> 
border_bottom1Pgreye7e7e7 
</td> 
</tr> 
<tr class="bgWhite height40"> 
<td class="border_bottom1Pgreye7e7e7 border_right1Pgreye7e7e7 fontGreyGeneral p14Font width20P"> 
<div class="margin5">border_bottom1Pgreye7e7e7</div> 
</td> 
<td class="border_bottom1Pgreye7e7e7 border_right1Pgreye7e7e7 fontGreyGeneral p14Font textLeft width80P"> 
border_bottom1Pgreye7e7e7 
</td> 
</tr> 
</tbody> 
</table> 
<div class="floatR marginT5 p14Font textLink" onclick="showAccomplishmentTableRow();">More</div>