has class jquery if code example
Example 1: jquery hasclass
if ($( "#foo" ).hasClass('className')) {
$( "#foo" ).removeClass( 'className');
} else {
$( "#foo" ).addClass( 'className');
}
Example 2: if a class exists jquery
if ($(".mydivclass").length){
// Do something if class exists
} else {
// Do something if class does not exist
}