addClass() and removeClass() are very useful methods from jquery. addClass() method used to add one or more css class in selected element while removeClass() is used to remove class.
I used addClass() to show block as selected and removeClass() method to deselect block that was previously clicked, blocks were dynamically created. Following is code.
<script> $(function(){ $(".blocks").click(function() { var ids; var previous = ""; previous = $("#previous").val(); if(previous !=""){ $(previous).removeClass("sel"); } ids = $(this).attr("id"); $("#"+ids).addClass('sel'); $("#previous").val("#"+ids); }); }); </script>
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