HTMLify

const cursor = document.querySelector(".cursor");

document.addEventListener("mousemove", function (event) {
  // event.pageX --> across
  // event.pageY --> up and down
  // console.log(event);
  moveCursor(event.pageX, event.pageY);
});

const moveCursor = function (pageX, pageY) {
  cursor.style.left = pageX + "px";
  cursor.style.top = pageY + "px";
};