Object-Oriented JavaScript: Mastering new and this Keywords โ€” WalkSelf
โฑ 2h 30m ๐Ÿ“š 25 lessons

Object-Oriented JavaScript: Mastering new and this Keywords

Demystify prototype chains, execution contexts, and modern object-oriented patterns in JavaScript through clear, step-by-step written explanations.

  • ๐Ÿ’ฌ AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • ๐Ÿ• Start anytime
    No schedules or deadlines โ€” learn at your own pace, whenever suits you.
  • ๐ŸŒ In English
    Lessons, tasks and certificate โ€” all fully in your language.

About this course

Many JavaScript developers use object-oriented patterns daily without fully understanding how they work under the hood, leading to unexpected bugs when managing scope and object relationships. This course demystifies the inner workings of JavaScript's object model so you can write predictable, clean, and efficient code. You will transition from guessing how context works to confidently structuring complex applications. What you'll learn: Understand the foundational mechanics of execution contexts and lexical scope; Master the 'this' keyword and how its binding changes across different execution environments; Configure objects using the 'new' keyword and understand what it automates behind the scenes; Navigate the prototype chain and implement efficient prototypal inheritance; Apply modern ES6 class syntax alongside clean code practices like type hinting and strict mode; Debug common scoping issues and context binding errors in asynchronous code. The course begins with essential terminology and the core principles of JavaScript execution before guiding you through hands-on object creation, scoping rules, and modern class patterns. This text-only course is designed for beginner to intermediate developers who want to build a rock-solid foundation in core JavaScript behavior without relying on framework abstractions. Start reading today to master the core mechanics of JavaScript objects.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    2h 30m of practical content

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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