At the end of this milestone you will learn

• How to retain the session information as HTTP is stateless
• How to authorize third party applications like Google, facebook, github etc.
• Understanding the usage and functions of Cache memory
• How do you run a script in background in the browser using Service workers

• Creating Single page applications using React
• Handling DOM using React
• Handling Events in React
• Understanding the data flow in ReactJS

Let's build a fully functional e-commerce site on MERN stack!! You will be building a replica of one of your favourite e-commerce website.

Wiki says

E-commerce is the activity of buying or selling online. Electronic commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems.