jquery toggle class

1$( "#foo" ).toggleClass( 'className', addOrRemoveOptional );
2

1$('.click-class').click(function() {
2    $('.class-toggle').toggle();
3    $('.class-toggle').toggleClass('add-class');
4})

1// add class [class-name] if condition is true
2// or else remove it
3$('#foo-bar').toggleClass('class-name', condition)