How often have you had to write some JavaScript to create an interactive widget that shows and hides some content? You might’ve even downloaded a whole JavaScript library to achieve such an effect. Well, it’s time to rejoice! HTML5 provides a way to create this toggle feature with just a few lines of HTML and no JavaScript in sight. And so we introduce to you the details element.

The details and figure elements are saved from the crazed pecadillos of legend, dd/ dt and caption by these two freshly-minted elements, sent from Hickson over the weekend.