hoshiii Posted January 28, 2014 Share Posted January 28, 2014 I have this code: checkbox : function(elem) { $(function() { var isChecked = elem.checked, $check = $(this).val(), $address = $('.'+ elem.id); $image = $('.imagenone'); if(isChecked) { $address.stop().fadeIn("slow").css("display","inline-block"); $image.stop().fadeOut("slow").css("display","none"); } else { $address.stop().fadeOut("slow"); } }); } I need check if id of "$address"(class) displayed, not display other div with same id. I have a "query" which lists all the "rows" of the table, each "row" has a sub-category and associated product, which in my case the sub-category is the class and id is the product. but for different sub-categories can have the same product, not wanting to give the same id / product appear in duplicate. the problem is that there are only checkboxes for sub-categories, where the purpose is to create a filter. where all products with this sub-category, choosing more than one sub-category to check the sub-category appear. In different sub-category may contain the same products, just wanting to appear only once, and not repeated, ie not appear divs with the same id (same product) in duplicate. Structure Product List - http://s30.postimg.org/p0j37jl01/coding.jpg ps: sorry my bad english ! Quote Link to comment Share on other sites More sharing options...
jburridge Posted February 2, 2014 Share Posted February 2, 2014 (edited) if (document.getElementById('myDivId') == null) { display the other div } else { don't display the other div } Edited February 2, 2014 by jburridge Quote Link to comment Share on other sites More sharing options...
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