Get Programming with JavaScript Next: New features of ECMAScript 2015, 2016, and beyond

681 Pages·2018·2.73 MB·English

by  JD Isaacks [JD Isaacks]

Get Programming with
JavaScript Next: New
features of ECMAScript
2015, 2016, and beyond
JD Isaacks
Copyright
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Manning Publications Co.
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PO Box 761
Shelter Island, NY 11964
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Tecchnical development editor: Nick Watts
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ISBN 9781617294204
Printed in the United States of America
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DEDICATION
For my brother, Jon Potts
Brief Table of Contents
Copyright
Brief Table of Contents
Table of Contents
Preface
Acknowledgments
About this book
About the author
Lesson 1. ECMAScript specification and the proposal
process
Lesson 2. Transpiling with Babel
Lesson 3. Bundling modules with Browserify
Unit 1. Variables and strings
Lesson 4. Declaring variables with let
Lesson 5. Declaring constants with const
Lesson 6. New string methods
Lesson 7. Template literals
Lesson 8. Capstone: Building a domain-specific
language
Unit 2. Objects and arrays
Lesson 9. New array methods
Lesson 10. Object.assign
Lesson 11. Destructuring
Lesson 12. New object literal syntax
Lesson 13. Symbol—a new primitive
Lesson 14. Capstone: Simulating a lock and key
Unit 3. Functions
Lesson 15. Default parameters and rest
Lesson 16. Destructuring parameters
Lesson 17. Arrow functions
Lesson 18. Generator functions
Lesson 19. Capstone: The prisoner’s dilemma
Unit 4. Modules
Lesson 20. Creating modules
Lesson 21. Using modules
Lesson 22. Capstone: Hangman game
Unit 5. Iterables
Lesson 23. Iterables
Lesson 24. Sets
Lesson 25. Maps
Lesson 26. Capstone: Blackjack
Unit 6. Classes
Lesson 27. Classes
Lesson 28. Extending classes
Lesson 29. Capstone: Comets
Unit 7. Working asynchronously
Lesson 30. Promises
Lesson 31. Advanced promises
Lesson 32. Async functions
Lesson 33. Observables
Lesson 34. Capstone: Canvas image gallery
Exercise answers
Here’s a preview of some of the new syntaxes you’ll learn
in unit 2
Here’s a preview of using promises and async functions
from unit 7
Index
List of Figures
List of Tables
List of Listings
Table of Contents
Copyright
Brief Table of Contents
Table of Contents
Preface
Acknowledgments
About this book
About the author
Lesson 1. ECMAScript specification and the proposal
process
1.1. A brief history of ECMAScript
1.2. Why ES2015 adds so much
1.3. Who decides what gets added?
1.3.1. Specification stages
1.3.2. Picking a stage
1.4. What this book will cover
Summary
Lesson 2. Transpiling with Babel
2.1. What is transpiling?
2.1.1. Compiling to JavaScript languages
2.1.2. Where Babel fits in
2.2. Setting up Babel 6
2.3. The Babel configuration needed for this book
2.3.1. A note on source maps
2.3.2. Set up Babel as NPM script
Summary
Lesson 3. Bundling modules with Browserify
3.1. What’s a module?
3.2. How modules work in Node.js
3.3. What is Browserify?
3.4. How does Browserify help with ES6 modules?
3.5. Setting up Browserify with Babel
3.5.1. Installing Browserify
3.5.2. Setting up a project using babelify
3.6. Alternatives to Browserify
Summary
Unit 1. Variables and strings
Lesson 4. Declaring variables with let
4.1. How scope works with let
4.1.1. Why the block scope of let is preferred
4.2. How hoisting works with let
4.3. Should I use let instead of var from now on?
Summary