HomeCoursesStep Up Your JS: A Comprehensive Guide to Intermediate JavaScript

4.6

Beginner

20h

Step Up Your JS: A Comprehensive Guide to Intermediate JavaScript

Gain insights into intermediate JavaScript, mastering interview questions, common design patterns, and deep understanding of the language. Learn with expert Arnav Aggarwal's engaging teaching method.

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Overview

Content

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This is for those familiar with the basics of JavaScript and looking to advance their knowledge and really understand how the language works. We'll cover topics that are essential to help you read, understand, and write better code. Before starting, you should be familiar with the basics of variables, functions, and loops in JavaScript. This course will enable you to master JavaScript interview questions that stump most developers. You'll be able to talk intelligently about the fundamentals of the language and about common design patterns. This course has been created by Arnav Aggarwal, a full-stack engineer. Having attended a coding boot camp and having taught at another one, Arnav has extensive experience understanding how new developers learn to code. In under a month, Arnav's published articles on JavaScript concepts have received over 50,000 views and have been featured as staff selections on Medium.com and codementor.io because of their educational value.

This is for those familiar with the basics of JavaScript and looking to advance their knowledge and really understand how the la...Show More

Content

50 Lessons3 Quizzes17 Challenges

Behavior of Functions and Variables

7 Lessons

Sharpen your skills in JavaScript functions, scopes, hoisting, closures, and value vs. reference.

Variable Scope

Variable Hoisting

ES2015 Scope & Hoisting - let & const

Introduction to Callbacks

Closures

Value vs. Reference

Value vs. Reference with ES2015

Essential Modern JavaScript - ES2015+ In Depth

6 Lessons

Walk through core ES2015+ features for efficient, cleaner, and more robust JavaScript coding.

The Future of JavaScript

Template Literals

Default Function Parameters

Arrow Functions () => {}

New Object Functionality

Array & Object Destructuring

Object Oriented Programming: The Core

4 Lessons

Break apart key aspects of object-oriented programming in JavaScript including `this`, `new`, and methods like apply, call, and bind.

Introduction to `this`, `new` & OOP

The Complete Rules to `new`

Apply, Call, Bind, & arguments

The Utility of Rest & Spread

Object Oriented Programming: `this` and Inheritance

4 Lessons

Grasp the fundamentals of `this`, arrow functions, prototypes, and inheritance in JavaScript.

The Complete Rules to `this`

Arrow Functions and `this`

Object Prototypes

Implementing Inheritance

Introduction to Functional Programming

3 Lessons

Deepen your knowledge of functional programming in JavaScript, focusing on pure functions, IIFEs, and scope management strategies.

Introduction to Functional Programming

Immediately Invoked Function Expressions

The IIFE Interview Question

Functional Programming: Arrays and their Powerful Methods

6 Lessons

Expose powerful array methods like map, filter, forEach, and reduce to streamline data manipulation.

Map

Filter

Map & Filter Practice

forEach

Reduce

forEach & Reduce Practice

Functional Programming: Objects and their Powerful Methods

5 Lessons

Master the use of JavaScript Object methods for property manipulation and enforcing immutability.

Object.assign

Object.keys

Object.values & Object.entries

Object.defineProperty

Object.preventExtensions, seal, and freeze

A Dive into Asynchronous JavaScript

7 Lessons

Learn how to use asynchronous programming, callbacks, promises, and async/await in JavaScript.

Introduction to Asynchronous Programming in JavaScript

Callbacks, setTimeout, & the Event Loop

Common Use Cases of Asynchronous JavaScript Programming

Promises

Error Handling with Promises

Async/Await

ES5, Promises and async/await Conclusion

Advanced Modern JavaScript - Cutting Edge ES2015+

7 Lessons

Unpack the core of advanced ES2015+ features, covering classes, sets, maps, symbols, iterables, and generators.

Iterables & Iterators

Generators

10.

Conclusion

1 Lessons

Work your way through thanks, feedback, upcoming courses, and social media connections.

Conclusion

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Course Author:

Arnav Aggarwal

Developed by MAANG Engineers

Every Educative lesson is designed by a team of ex-MAANG software engineers and PhD computer science educators, and developed in consultation with developers and data scientists working at Meta, Google, and more. Our mission is to get you hands-on with the necessary skills to stay ahead in a constantly changing industry. No video, no fluff. Just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

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Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Personalized Interview Prep

Skip the LeetCode grind with a custom roadmap that adapts to your goals. Hands-on practice for Coding Interviews, System Design, and more.

Mock Interviews

Test your skills in a simulated interview setting. Receive personalized feedback based on your performance. Available for Coding Interviews, System Design, and more.

AI Prompt

Build prompt engineering skills. Practice implementing AI-informed solutions.

Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

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