The canvas element (<canvas>) provides scripts with a resolution-dependent bitmap canvas, which can be used for rendering graphs, game graphics, or other visual images on the fly, by using the associated canvas API.
height= non-negative integer
The height of the canvas, in CSS pixels.
width= non-negative integer
The width of the canvas, in CSS pixels.
<canvas width="800" height="600"></canvas>
The canvas api is a useful resource for working with the canvas element.