JSFiddle - React, Tailwind, and code Playground

by Artem

HTML

<script>
  function displayCoords(event) {
    document.body.textContent =
      "Мышь на " + event.pageX + ", " + event.pageY;
  }

  var scheduled = false, lastEvent;
  addEventListener("mousemove", function(event) {
    lastEvent = event;
    if (!scheduled) {
      scheduled = true;
      setTimeout(function() {
        scheduled = false;
        displayCoords(lastEvent);
      }, 250);
    }
  });
</script>