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1. What is the difference between JavaScript and Node.js?
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2. What are the features of Node.js?
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3. How to change HTTP header value?
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4. Is Node.js a framework?
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5. What is Node.js used for?
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6. Why is Node.js single threaded?
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7. What are the functionalities of NPM in Node.js?
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8. How to setup Node.js as a Web Server?
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9. Which is the best Rest API framework for nodejs?
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10. How to debug node js app in Google Chrome?
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11. What is the fundamental difference between Node.js and Ajax?
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12. What are the top 10 websites built with Nodejs?
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13. Explain express.js?
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14. What is routing in express.js?
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15. How to download file using Express.js?
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16. How can plain HTML be rendered in express JS?
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17. List few REPL Commands
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18. Is Node.js a programming language?
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19. What is typically the first argument passed to a Node.js callback handler?
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20. How does Node.js support multi-processor platforms, and does it fully utilize all processor resources?
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21. What is “callback hell” and how can it be avoided?
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22. Who Uses Node.js?
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23. Where to Use Node.js?
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24. Where Not to Use Node.js?
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25. How to verify installation?
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26. Explain locally installed and globally installed NPM modules
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27. Whats is package.json?
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28. What is Callback?
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29. Explain the concept of blocking and non-blocking calls.
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30. What is module?
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31. What is the difference between Nodejs, AJAX, and jQuery?
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32. What is Axios?
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33. How can you avoid callback hells?
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34. How to interact with the file system?
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35. What is Callback Hell?
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36. List some of the big advantages of using Node.js.
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37. What are some of the most useful Node.js packages?
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38. What is Event-driven programming?
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39. What is Event loop in Node.js work? And How does it work?
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40. What is the purpose of module.exports in Node.js?
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41. What is Tracing in Node.js?
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42. What is require in Node.js? How will you load external files and libraries in Node.js?
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43. How will you debug an application in Node.js?
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44. Difference between setImmediate() vs setTimeout()
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45. What is process.nextTick()
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46. What's the difference in 'dependencies' and 'devDependencies' in NodeJS?
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47. What is EventEmitter in Node.js?
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48. How to calculate how much time a function takes to run?
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49. How to install an older version of an npm package?
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50. When is a package best installed globally? Why?
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51. How V8 compiles JavaScript code?
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52. When Node.js should not be used?
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53. How can you listen on port 80 with Node?
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54. What's a stub? Name a use case.
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55. How to secure node js API?
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56. How to avoid Callback Hell?
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57. Why Node.js is not better choice for CPU intensive?
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58. What is the difference between I/O bound vs CPU intensive?
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59. What is crypto in Node.js? How do you cipher the secured information in Node.js?
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60. What is your approach to performance optimization in NodeJS?