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$selector2 = $('ul.topnav').each(function(){ alert($(this).children().length);});
http://stackoverflow.com/questions/6959659/jquery-child-selector-vs-each
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$selector2 = $('ul.topnav').each(function(){ alert($(this).children().length);});
http://stackoverflow.com/questions/6959659/jquery-child-selector-vs-each
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