check if element has specific class jquery code example
Example 1: jquery hasclass
if ($( "#foo" ).hasClass('className')) {
$( "#foo" ).removeClass( 'className');
} else {
$( "#foo" ).addClass( 'className');
}
Example 2: how to add class on the base of has class in jquery
$( "p" ).removeClass( "myClass noClass" ).addClass( "yourClass" );