TASK 9: Working with Express & Mongo DB

TASK 6: Working with http TASK 7: Working with Express Prototypal Inheritance and Classes. Object and Array Destructuring Working with Modules Function Generator and Symbols Working with Closures TASK 8: Working with model (MongoDB & Firebase) TASK 4: Fetching server state using JavaScript (fetch) TASK 9: Working with Express & Mongo DB TASK -1 GIT Working with Higher-Order Functions in JavaScript Using Callback and creating a Callback Hell situation to understand the drawbacks. Working with XHR: response Dealing with the Callback Hell situation using Promise. Exploring the different ways of creating and using promise in executing the asynchronous task. Dealing with Promise chaining and async / await. Create custom / local modules and export them using various module patterns. Explore the Functionality of os, path, util, and events Modules Use the fs module for creating directories and files of different formats. Write script to read and write the streaming data using readable and writable streams. TASK 10: Authentication and Authorization DEMO