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Learn ECMAScript

You're reading from   Learn ECMAScript Discover the latest ECMAScript features in order to write cleaner code and learn the fundamentals of JavaScript

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Product type Paperback
Published in Feb 2018
Publisher
ISBN-13 9781788620062
Length 298 pages
Edition 2nd Edition
Languages
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Authors (2):
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Narayan Prusty Narayan Prusty
Author Profile Icon Narayan Prusty
Narayan Prusty
MEHUL MOHAN MEHUL MOHAN
Author Profile Icon MEHUL MOHAN
MEHUL MOHAN
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Table of Contents (14) Chapters Close

Preface 1. Getting Started with ECMAScript FREE CHAPTER 2. Knowing Your Library 3. Using Iterators 4. Asynchronous Programming 5. Modular Programming 6. Implementing the Reflect API 7. Proxies 8. Classes 9. JavaScript on the Web 10. Storage APIs in JavaScript 11. Web and Service Workers 12. Shared Memory and Atomics 13. Other Books You May Enjoy

Tail call optimization

Whenever a function call is made, an execution stack is created in the stack memory to store the variables of the function. Tail call optimization basically means that you reuse the allocated stack in memory if there's no information in that stack that is required later in the code execution sequence.

Why tail call optimization?

When a function call is made inside another function call, a new execution stack is created for the inner function call. However, the problem is that the inner function execution stack takes up some extra memory--that is, it stores an extra address, representing where to resume the execution when this function finishes executing. Switching and creating the execution stacks...

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