gistfile1.txt

<script>
function supports_canvas()
{
	return !!document.createElement('canvas').getContext;
}
 
function supportsToDataURL()
{
	if(!supports_canvas())
	{
		return false;
	}
 
	var c = document.createElement("canvas");
	var data = c.toDataURL("image/png");
	return (data.indexOf("data:image/png") == 0);
}
 
var results = "";
 
if(supportsToDataURL())
{
	results="You browser is cool and supports Canvas.toDataURL();"
}
else
{
	results="You browser is lame and does NOT support Canvas.toDataURL();"
}
document.write(results);
</script>