src/dual-listbox.js
/**
     * @Private
     * Creates the listItem out of the option.
     */
@Private
Creates the listItem out of the option.
@Private Creates the listItem out of the option .
_createListItem(option) {
        let listItem = document.createElement("li");
        listItem.classList.add(ITEM_ELEMENT);
        listItem.innerHTML = option.text;
        listItem.dataset.id = option.value;
        this._addClickActions(listItem);
        return listItem;
    }
_createListItem ( option ) { let listItem = document . createElement ( "li" ) ; listItem . classList . add ( ITEM_ELEMENT ) ; listItem . innerHTML = option . text ; listItem . dataset . id = option . value ; this . _addClickActions ( listItem ) ; return listItem ; }
@Private
 Creates the listItem out of the option.
@Private Creates the listItem out of the option .