Select elements with class except one with specific id

Question

$(\'.ui-widget-content\').css(\'border\',\'none\');
    $(\'#helpDialog .ui-widget-content\').addClass(\'HelpDialogBorder\');

I am doing like this

Answer 1

Try this (also see my jsfiddle):

$('.ui-widget-content').not('#helpDialog').css('border','none');