CHAPTER 11
Building Games with Canvas API
One of the web browser’s most exciting new capabilities in recent years has been the adoption of the <canvas> tag in HTML5 and its associated JavaScript API. Alone in an HTML document, it does nothing. However, combine it with the power of JavaScript and you have a blank drawing surface in your page to which you can add shapes, images and text to your heart’s content. The contents of a canvas element are represented by pixel data on a flat drawing surface rather than individual DOM elements in a document, so if you draw over an existing shape with another, there’s no record in the document that the original ...
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