Nodejs Javascript Application to Upload & Download File
In this video, we will learn to upload & download files in javascript nodejs application using multer module. We will be creating webpage to upload file through form and writing code to create storage for files using multer package.
We will learn what is multer module and why to use it in javascript nodejs project. How to define storage for files using multer. Writing file controller to upload and download file. Writing web form to upload file as multipart form data.
Important Nodejs Javascript Packages or Modules *
Multer - Multer is a node.js middleware for handling multipart or form-data, which is primarily used for uploading files. It is written on top of busboy for maximum efficiency. Multer will not process any form which is not multipart (multipart / form-data).
Multipart Form Data*
Multipart form data,The ENCTYPE attribute of form tag specifies the method of encoding for the form data. It is one of the two ways of encoding the HTML form. It is specifically used when file uploading is required in HTML form. It sends the form data to server in multiple parts because of large size of file.
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