jQuery to check if element has no specific class applied

Question

I would like to check if an element has not a specific class applied. Is this correct?

if($('#tabs_wrapper li').hasClass:not('enabled')){
$('.inner_tabs div').css('display', 'none');
 }

Answer 1

just an alternative

if ($('#tabs_wrapper li:not(".enabled")').length) {
   /* ... */
}

Answer 2

You may do this :

 if (!$('#tabs_wrapper li').is('.enabled')){
    $('.inner_tabs div').css('display', 'none');
 }

Reference