Bitmaps, gifs, jpegs and so on are common in almost all web pages. With Canvas you now work with bitmaps at the pixel level. It's not difficult, but you need to organize things to make it really easy ...

Sometimes you want to render a visual on the fly, or even animate it. Perhaps the visual is a complex path where the set of x,y coordinates dictate what to render. Or perhaps the visual is a graph ...

The five characters HTML5 are now an established buzzword, found everywhere on the Web and often given top billing in slides, feature lists, and other places where terms du jour congregate.