Answers for "check if element is visible on screen in javascrip"

javascript check if element is visible on screen

// Where el is the DOM element you'd like to test for visibility
<script>
  function isHidden(el) {
    return (el.offsetParent === null);
  }
  var el = document.getElementById('el');
  alert(isHidden(el));
</script>
// if true then element "el" is visible otherwise not visible

javascript check if visible

window.getComputedStyle(document.getElementById("mydivID"),null).getPropertyValue('display')