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ECMAScript Cookbook

You're reading from   ECMAScript Cookbook Over 70 recipes to help you learn the new ECMAScript (ES6/ES8) features and solve common JavaScript problems

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788628174
Length 348 pages
Edition 1st Edition
Languages
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Author (1):
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Ross Harrison Ross Harrison
Author Profile Icon Ross Harrison
Ross Harrison
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Toc

Table of Contents (14) Chapters Close

Preface 1. Building with Modules 2. Staying Compatible with Legacy Browsers FREE CHAPTER 3. Working with Promises 4. Working with async/await and Functions 5. Web Workers, Shared Memory, and Atomics 6. Plain Objects 7. Creating Classes 8. Inheritance and Composition 9. Larger Structures with Design Patterns 10. Working with Arrays 11. Working with Maps and Symbols 12. Working with Sets 13. Other Books You May Enjoy

Plain Objects

In this chapter, we will cover the following recipes:

  • Using Object.assign to add properties to an object
  • Using Object.entries to get iterable property-name pairs
  • Using Object.is to compare two values
  • Defining function properties as methods on a plain object
  • Defining read-only props with Object.defineProperty
  • Overriding read-only props with Object.defineProperty
  • Creating a non-enumerable property with Object.defineProperty
  • Creating an object using object structuring
  • Picking values from an object using destructuring
  • Using a spread operator to combine objects
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