React.js is an open source Javascript tools released by Facebook. Install the React JS to get started.
Learn more about React at React JS Docs and Tutorials.
https://www.pluralsight.com/guides/how-to-use-a-simple-form-submit-with-files-in-react provides a good sample for simple form with file based inputs.
Wizard driven experiences are critical for building simplified data collection.
See Multi-step for a simple annotated example. Here are a few examples:
- File Handler with UI in sync - uses reducer and hooks for multiple file upload management.
- File uploader with server side NodeJS - shows how to use multer on the server side to receive and process the file