js how to use a sprite sheet code example

Example 1: setting up a sprite sheet in js

context.drawImage(img, sx, sy, swidth, sheight, x, y, width, height)

Example 2: how to make a sprite javascript

let objectId = {};
objectId.x = 0;
objectId.y = 0;

//change positions
function updatePosition() {
  document.objectId.style.left = objectId.x;
  document.objectId.style.top = objectId.y;
}
//moving it
function move() {
  objectId.x++;
  objectId.y++;
  updatePositions();
}