<!DOCTYPE html> | |
<html> | |
<body> | |
<canvas id ="canvas" width="200" height="200"></canvas> | |
<script> | |
var ctx = document.getElementById('canvas').getContext('2d'); | |
ctx.fillStyle = 'green'; | |
let m = ctx.getTransform(); | |
m.a = 2; | |
m.d = 2; | |
ctx.setTransform(m); | |
ctx.fillRect(0, 0, 50, 50); | |
</script> | |
</body> | |
</html> |