JavaScript

• What is dynamic typed language?
• What is TypeScript? Why do we need it?
• What is string interpolation?
• What do you mean by functional programming language?
• What is function reference?
• How to export and import entity in JS?
• What is the difference between export and export default?

Node

• What is package.json?
• What is difference between dependencies and devDependencies?

Frontend

• What is SPA? Advantages and disadvantages?
• What are the options to develop SPAs?
• What is React? Advantages and disadvantages?
• What are differences between React and Angular?
• What is virtual DOM in React? How does it work? Why do we need it?
• What is JSX? How does it work?
• What is a component? What are the advantages and disadvantages of using component?
• What are the types of components?