laf-canvas-demo

gistfile1.html

<script type="text/javascript">
	function drawShape(){
	    var canvas = document.getElementById('tutorial');
	    
	    if (canvas.getContext) {
	        var ctx = canvas.getContext('2d');
	        // Draw shapes
	        ctx.fillRect(25, 25, 100, 100);
	        ctx.clearRect(45, 45, 60, 60);
	        ctx.strokeRect(50, 50, 50, 50);
	    }
	    else {
	        alert('Canvas not supported.');
	    }
	}
</script>

<canvas id="tutorial" width="150" height="150"></canvas>