The canvas element represents a resolution-dependent bitmap canvas, which can be used for dynamically rendering of images such as game graphics, graphs, or other images.
A canvas element must have both a start tag and an end tag.
any element that can contain phrasing elements, any element that can contain flow elements
interface HTMLCanvasElement : HTMLElement {
attribute unsigned long width;
attribute unsigned long height;
DOMString toDataURL(in optional DOMString type, in any... args);
object getContext(in DOMString contextId, in any... args);
};