자주 쓰는 JQuery

$('input[name="commentIDs"]').filter(':checked').length >= 0 

$('input[name^="commentIDs"]').filter(':checked').length >= 0 

$('input[name^="commentIDs"]:checked'')

$j("input:checkbox[name='sellCountry.sellCountry']").each(

function(){

if($j(this).val()==code){

$j(this).attr('checked',false);

}

}

)

$j("#seledtedCountry").attr('checked',false);

var objName ='B';

//$("#B>input:checkbox[value='FRA3']").attr('checked',true);

$("#"+objName+">input:checkbox[value='FRA3']").attr('checked',true);

//alert($("input:checkbox[value='FRA3']").length);

var categoryName = trim($j('#parentCategoryId').find('option:selected').text().toUpperCase());

            var select = $j("#ageLimit");

            var comSelectedIndex = $j("#ageLimit option").index($j("#ageLimit option:selected"));

//ProtoType에서

function getOffset(){

   firstElement = $('firstDiv');

   var arr = firstElement.cumulativeScrollOffset();

   alert ( "Offset Left: " +arr[0]+ " Offset Top : " +arr[0]);

}