Modules

30 modules

Introduction to JavaScript

0/13 questions completed

1.beginner

What is JavaScript?

JavaScript is a high-level programming language commonly used to build interactive and dynamic web applications. It can run in browsers and environments such as Node.js.

2.beginner

What is the difference between let, const, and var?

3.beginner

What are the primitive data types in JavaScript?

4.beginner

What is the difference between == and ===?

5.beginner

What is the difference between null and undefined?

6.beginner

What is hoisting in JavaScript?

7.beginner

What is scope in JavaScript?

8.beginner

What is an arrow function?

9.beginner

What is a callback function?

10.beginner

What is a Promise?

11.beginner

What is the difference between spread and rest operators?

12.beginner

What is destructuring in JavaScript?

13.beginner

What is ES6 and why is it important?