Move cursor after last element with Javascript
     _moveCursor(){         let range = document.createRange();         let lastSpan = this._getLastSpan();         range.setStartAfter(lastSpan);         range.collapse(true);         let selection = window.getSelection();         selection.removeAllRanges();         selection.addRange(range);     }
Props to: stackoverflow.com/a/15814297/4415951