Yes, Webflow does have a dropdown menu function for submenus. You can easily create a dropdown menu in Webflow using the built-in Navbar component.
To add a dropdown menu to your navigation, follow these steps:
1. Drag and drop the Navbar component onto your canvas or section.
2. Customize the styling of the Navbar to fit your design.
3. Inside the Navbar, create a link item that you want to have a dropdown effect.
4. Select the link item, and in the right sidebar panel, click on the blue plus icon (the Add Element button).
5. From the dropdown menu, select "Link Block" or any other element that you want to use as a dropdown container.
6. Inside the dropdown container, add the relevant links or content that you want to display as submenu items.
7. Customize the styling of the dropdown container as per your design requirements.
8. Repeat these steps to add more dropdown menu items if needed.
By default, Webflow provides basic interaction and animation options for dropdown menus, allowing you to control the trigger behavior, duration, and easing. You can find these options by selecting the dropdown container, going to the Interactions panel, and setting up the desired interaction for opening and closing the dropdown.
As for exporting and adding this function separately, Webflow's code export feature allows you to export your project's HTML, CSS, and JavaScript code. Once exported, you can add or modify the code as needed to incorporate additional functionality, including more advanced dropdown menus, using external libraries or custom code. However, note that this approach requires coding knowledge and can be time-consuming.
Regarding future features, Webflow continuously improves its platform by releasing updates and adding new features based on user feedback and industry trends. While I don't have access to Webflow's development roadmap or specific plans for future features, the team behind Webflow has been responsive to user requests in the past. Therefore, considering the popularity and demand for dropdown menus with submenus, it's possible that Webflow may enhance its native dropdown menu functionality in the future. Stay tuned to official Webflow communications and updates for any announcements related to this feature.