blob: 74bc21f53edcdb0219059f04118dcf9f84fc66f9 (
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<!DOCTYPE html>
<head><meta charset="utf-8"></head>
<body>
<canvas id="canvas" width="200" height="200"></canvas>
<script>
let canvas = document.getElementById('canvas');
let ctx = canvas.getContext('2d');
let arr = new Uint8ClampedArray(Array(40000).fill(200));
createImageBitmap(new ImageData(arr, 100)).then(img => {
for (let i=0; i<100; i+=50)
ctx.drawImage(img, i, i);
});
</script>
</body>
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