How to upload and preview images with JavaScript? This image uploading guide teaches you everything you need to know about uploading images with JavaScript. I broke the process down into three parts.
Part 1: How to upload and preview images on the frontend.
Part 2: How to save the images in a server file system with Node.js and Multer.
Part 3: How to save the images in a MySQL database / Amazon Web Services (AWS) S3.
Multer GitHub:
https://github.com/expressjs/multer
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