1) What is JavaScript?
2) Advantages of JavaScript?
3) Disadvantages of JavaScript?
4) Difference between Java and JavaScript?
5) What is JavaScript Engine?
6) Types of JavaScript?
7) Types of functions inJavaScrip
8) What is JavaScript Closure?
9) Explain JavaScript Data Types?
10) Difference between null and undefined?
11) Difference between == and ===?
12) Difference between innerText and innerHTML?
13) Types of objects in JavaScript?
14) What is JavaScript hoisting?
15) What is window object in JavaScript?
16) List of some methods present in window object?
17) List of some methods present in document object?
18) Explain High order functions in JavaScript?
19) What is currying in JavaScript?
20) What is the difference between exec () and test () methods in JavaScript?
21) What are the types of errors inJavaScript?
22) What is Recursion in JavaScript?
23) What is rest parameter in JavaScript?
24) What is spread operator in JavaScript?
25) What is Object Destructuring?
26) Difference between localStorage and sessionStorage?
27) Differences between var, let and const in JavaScript?
28) Explain debugger keyword?
29) What is form validation?
30) What is Array in JavaScript?
31) What is String in JavaScript?
32) What is RegEx?
33) What is JavaScript Event?
34) What is Synchronous JavaScript?
35) What is Asynchronous JavaScript?
36) Explain JavaScript promises?
37) What is JavaScript Math object?
38) What is class in JavaScript?
39) What is Constructor in JavaScript?
40) What is object in JavaScript?
41) What is Encapsulation in JavaScript?
42) What is Inheritance in JavaScript?
43) What is Abstract in JavaScript?
44) What is polymorphism in JavaScript?
45) What is addEventListener in JavaScript?

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The detailed answer for the above question is provided below 1 What is JavaScript JavaScript is a scripting language It is a case sensitive language It is an object based language It is a loosely type... View the full answer