const SCREEN_SIZE_W = 256; const SCREEN_SIZE_H = 224; let can = document.getElementById("can"); let con = can.getContext("2d"); can.width = SCREEN_SIZE_W; can.height = SCREEN_SIZE_H; con.fillStyle = "#66aaff"; con.fillRect(0,0,SCREEN_SIZE_W,SCREEN_SIZE_H); let chImg = new Image(); chImg.src = "sprite.png"; chImg.onload = draw; function draw(){ con.drawImage(chImg, 0, 0, 16, 32, 100, 10, 64, 128); }