#myCanvas
setTransform
1,0,0,1,0,-100|1,0,0,1,0,-50|1,0,0,1,0,-20|1,0,0,1,0,-10|1,0,0,1,0,0|1,0,0,1,0,10|1,0,0,1,0,20|1,0,0,1,0,50
ctx.setTransform(#val);
ctx.fillStyle='lightblue';
ctx.fillRect(10,10,250,100);
ctx.fillStyle='red';
ctx.font='30px Arial';
ctx.fillText('Transform', 60,80);