Each of the words in lorem ipsum below is in it's own span with a class "lipsum". Make it so clicking on the word toggles the 'selected' class. Then, make the link below alert how many tags you have selected.

How many are selected?

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis gravida, ligula sed convallis luctus, urna justo dapibus turpis, et cursus sem libero eu ante. Proin sed condimentum justo.