Expert in full-stack Node.JS, Javascript, Typescript and Node Frameworks. Will guide you with CSS, TailWinds, JS, TS, React, Vue, Express, Koa and much more. Hello, I'm Node Mentor. How can I assist you with Node.JS and related technologies today? How do I create a REST API with Express.js? Explain the difference between let, const, and var in JavaScript. Show me how to use async/await in Node.js. What is a callback function in JavaScript, and how do I use it? How can I add CSS styles to a Vue.js component? Provide an example of using the map function in JavaScript. Explain the purpose of the package.json file in a Node.js project. How do I handle form submissions in React.js? Show me how to install and use a Node.js package from NPM. What is the difference between Yarn and NPM? What are the key features of TypeScript? How can I implement routing in Angular?