Interview Guides
JavaScript Interview Questions

JavaScript Interview Questions
Basic, Types
- What Are the Primitive Types in JavaScript? How To Check the Type of a Variable?
- What Is the Difference Between ==, === and Object.is in JavaScript?
- What Is the Difference Between null, undefined and undeclared in JavaScript?
- What is the Difference Between Map and Object in JavaScript, and Why Do We Need Map?
- What Is the Difference Between Set, Map, WeakSet, and WeakMap in JavaScript?
- What Will 0.1 + 0.2 Be in JavaScript? Why?
- What Is the Purpose of "use strict" in JavaScript and What Are the Benefits of Using It?
Variable, Scope, Closure
Array
Function
Objects & Prototypes