gecko-dev/layout/reftests/canvas/transformed-line-stroke-ref.html

<canvas id=c></canvas>
<script>
const canvas = document.getElementById("c");
const ctx = canvas.getContext("2d");

canvas.width = 600;
canvas.height = 300;


ctx.strokeStyle = "rgba(0, 0, 0, 1)";
ctx.beginPath();
ctx.moveTo(88, 137.5);
ctx.lineTo(736, 137.5);
ctx.stroke();
</script>