find scroll hitted bottom in javascript code example

Example 1: js scroll to bottom of element

var objDiv = document.getElementById("your_div");
objDiv.scrollTop = objDiv.scrollHeight;

Example 2: javascript detect scroll to bottom of page

function scrolled(e) {
  if (myDiv.offsetHeight + myDiv.scrollTop >= myDiv.scrollHeight) {
    scrolledToBottom(e);
  }
}