jQuery Simple Collapsible Div?

Question

I am looking for the proper, simple, small code to do the following things:

• Click on Element with Class Applied to it.

• DIV.CLASS - Which expands

Answer 1

$('.expand-one').click(function(){
    $('.content-one').slideToggle('slow');
});

Demo: http://jsfiddle.net/Q4PUw/2/