javascript - JS / jQuery - Filtering divs with checkboxes -


i'm trying filter divs checkboxes using following code:

$("#filtercontrols :checkbox").click(function() {   $(".sectioncontent").hide();   $("#filtercontrols :checkbox:checked").each(function() {     $("." + $(this).val()).show();   });   if($("#filtercontrols :checkbox").prop('checked') == false){     $(".sectioncontent").show();   } });

this works fine when check first checkbox, filters others when have first checkbox selected. it's hard explain try jsfiddle: http://jsfiddle.net/by9jl/

i don't want rely on having first checkbox checked, there way around this?

try

var sections = $('.sectioncontent'); function updatecontentvisibility(){     var checked = $("#filtercontrols :checkbox:checked");     if(checked.length){         sections.hide();         checked.each(function(){             $("." + $(this).val()).show();         });     } else {         sections.show();     } }  $("#filtercontrols :checkbox").click(updatecontentvisibility); updatecontentvisibility();

demo: fiddle


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