Top 25 JavaScript Interview Questions

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Timestamps –
00:00:00 – Introduction
00:02:10 – Q1. What is JavaScript ?
00:03:13 – Q2. Datatypes of JavaScript ?
00:05:14 – Q3. Difference between primitive Vs non primitive ?
00:07:41 – Q4. What are arrays , functions and objects ?
00:10:05 – Q5. What is scope in JavaScript ?
00:11 :10 – Q6. Difference between Var , Let and const in JavaScript ?
00:13:18 – Q7. What is Loop?
00:14:14 – Q8. Difference between for , while and do while loops ?
00:16:40 – Q9. Difference between for .. of and For .. in loop ?
00:18:06 – Q10. What is for each method ?
00:20:04 – Q11. Difference between == and === in JavaScript ?
00:21:15 – Chapter 2 – Functions in JS
00:21:56 – Q12. Types of functions in JavaScript ?
00:23:45 – Q13. What is function expression in JavaScript ?
00:24:55 – Q14. What are arrow functions in JavaScript ?
00:26:21 – Q15. What are callback Functions?
00:28:53 – Q16. When to use callback function in real application ?
00:30:16 – Q17. What is the use of Event Handling in JavaScript?
00:32:35 – Q18. What is Higher – Order Function?
00:35:01 – Chapter 3 – Advanced JS
00:35:25 – Q19. What are Asynchronous operations in JavaScript?
00:38:25 – Q20. What are Promises in JS ?
00:40:14- Q21. How to implement Promises in JS ?
00:43:12 – Q22. When to use Promises in Real applications?
00:44:47 – Q23. What are Classes and Objects ?
00:47:07- Q24. What is the purpose of This in JS?
00:48:30 – Q25. What is Hoisting In JS ?

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In Hindi Top 25 JavaScript


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