Set caret end of contenteditable element

set-caret-end-of-contenteditable.js

function setCaretEndOfElement(element) {
  
  if(document.createRange === undefined || window.getSelection === undefined) return;
  
  const range = document.createRange();
  const selection = window.getSelection();

  range.selectNodeContents(element);
  range.collapse(false);
  selection!.removeAllRanges();
  selection!.addRange(range);
  element.focus();
}