<canvas>
Description
The <canvas> element is a drawing surface
that we drive using JavaScript.
The canvas element is simple.
All of its functionality is exposed through a JavaScript object.
Example
The width and height attributes specify the size of the canvas.
<!DOCTYPE HTML>
<html>
<head>
<style>
canvas {<!-- w w w .j av a 2s . c o m-->
border: medium double black;
margin: 4px
}
</style>
</head>
<body>
<canvas width="500" height="200">
Your browser doesn't support the <code>canvas</code> element
</canvas>
</body>
</html>
The code above generates the following result.
Draw with canvas
The following code creates a canvas tag and use Javascript to draw a rectangle on it.
<!DOCTYPE HTML>
<html>
<head>
<style>
canvas {<!--from www.j a va2 s. c om-->
border: medium double black;
margin: 4px
}
</style>
</head>
<body>
<canvas id="canvas" width="500" height="100">
Your browser doesn't support the <code>canvas</code> element
</canvas>
<script>
var ctx = document.getElementById("canvas").getContext("2d");
ctx.fillRect(10, 10, 50, 50);
</script>
</body>
</html>
The code above generates the following result.
