code: function parseNode( node ) {
  		let selection, bookmark;
  
  		if ( node && twemoji.test( node.textContent || node.innerText ) ) {
  			if ( env.webkit ) {
  				selection = editor.selection;
  				bookmark = selection.getBookmark();
  			}
  
  			replaceEmoji( node );
  
  			if ( env.webkit ) {
  				selection.moveToBookmark( bookmark );
  			}
  		}
  	}
docs: Test if the node text contains emoji char(s) and replace.