JavaScript Questions β
1. What are the different data types present in javascript?
2. Explain Hoisting in javascript.
3. Why do we use the word βdebuggerβ in javascript?
4. Difference between β == β and β === β operators.
5. Difference between var , let and const keyword in javascript.
6. What is NaN property in JavaScript?
7. Explain Higher Order Functions in javascript.
8. Explain βthisβ keyword.
9. What are callbacks?
10. What is Object Destructuring?
11. What is the rest parameter and spread operator?
12. What are arrow functions?
13. What are the types of errors in javascript?
14. What is memoization?
15. What is recursion in a programming language?
16. What is the use of a constructor function in javascript?
17. What is the use of promises in javascript?
18. What are generator functions?
19. What has to be done in order to put Lexical Scoping into practice?
20. Explain call(), apply() and, bind() methods.
21. Explain Closures in JavaScript.
22. What are featured added in ES6 ?
1. What are the different data types present in javascript?
2. Explain Hoisting in javascript.
3. Why do we use the word βdebuggerβ in javascript?
4. Difference between β == β and β === β operators.
5. Difference between var , let and const keyword in javascript.
6. What is NaN property in JavaScript?
7. Explain Higher Order Functions in javascript.
8. Explain βthisβ keyword.
9. What are callbacks?
10. What is Object Destructuring?
11. What is the rest parameter and spread operator?
12. What are arrow functions?
13. What are the types of errors in javascript?
14. What is memoization?
15. What is recursion in a programming language?
16. What is the use of a constructor function in javascript?
17. What is the use of promises in javascript?
18. What are generator functions?
19. What has to be done in order to put Lexical Scoping into practice?
20. Explain call(), apply() and, bind() methods.
21. Explain Closures in JavaScript.
22. What are featured added in ES6 ?
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