A Drip of JavaScript
A Drip of JavaScript
The Complete Collection
About the Book
Every Tuesday at 7:30 in the morning, thousands of subscribers receive the latest issue of A Drip of JavaScript. Each issue is a bite-sized look at one aspect of programming in JavaScript.
This book is the living archive of A Drip of JavaScript. It is not intended to be a "how to program" manual, or a treatise on the language. Instead, it is meant to be a book you can dip into for five minutes at a time to learn something new.
Each month this book is updated to include the latest issues of the newsletter, as well as incorporate bug fixes and content feedback. Buyers receive free updates.
Praise for A Drip of JavaScript:
Been following @joshuacc’s A Drip of Javascript for a few weeks and it’s quite good. Recommended.
– James Shore, author of The Art of Agile Development
I love waking up, checking my email and seeing a little nugget of JavaScript wisdom.
– Jason Fox
About the Author
Table of Contents
-
Preface
- Resources
- Bug Reports & Feature Requests
- Credits
- Default Parameters in JavaScript
-
Arbitrary Parameters with the
argumentsObject - Reordering Arrays with Array#sort
- What is an Array?
- Transforming Arrays with Array#map
- Constructors in JavaScript
-
Dealing with the Dangers of
thisin Constructors - What are Prototype Properties and Methods?
- Using Dispatch Tables to Avoid Conditionals in JavaScript
- Testing Array Contents with Array#some
- Creating Chainable Interfaces in JavaScript
- Using Duck Typing to Avoid Conditionals in JavaScript
- Function functions
-
Using JavaScript’s
toStringMethod -
Invoking Functions With
callandapply -
Using
applyto Emulate JavaScript’s Upcoming Spread Operator - Boiling Down Arrays with Array#reduce
- Making Deep Property Access Safe in JavaScript
- Testing Array Contents with Array#every
- The Difference Between Boolean Objects and Boolean Primitives
- An Introduction to Writing Your Own JavaScript Compatibility Shims
-
Redefining
undefined -
The Uses of
invshasOwnProperty - An Introduction to IIFEs - Immediately Invoked Function Expressions
- Variable and Function Hoisting in JavaScript
- Creating Bound Functions with Function#bind
- Partial Application with Function#bind
- Determining if a String Contains a Substring
- Equals Equals Null in JavaScript
- Creating Unwritable Properties with Object.defineProperty
- JavaScript’s void Operator
- Filtering Arrays with Array#filter
- Using JavaScript’s Array Methods on Strings
- Numbers and JavaScript’s Dot Notation
- Finding Array Elements with Array#indexOf
- The Problem with Testing for NaN in JavaScript
- Understanding the Module Pattern in JavaScript
- The Virtue of JavaScript Linting
- Emulating Block Scope in JavaScript
- Truthy and Falsy Values in JavaScript
- Object Equality in JavaScript
- Building Up Arrays with Array#concat
-
Ditching jQuery with
querySelectorAll - Storing Metadata on Arrays in JavaScript
- JavaScript’s Primitive Wrapper Objects
- Basic Inheritance with JavaScript Constructors
-
The
deleteOperator in JavaScript -
Retrieving Property Names with
Object.getOwnPropertyNamesandObject.keys -
Immutable Objects with
Object.freeze -
Sealing JavaScript Objects with
Object.seal - Preventing Object Extensions in JavaScript
- Avoiding Problems with Decimal Math in JavaScript
- Basic Inheritance with Object.create
- Creating Objects Without Prototypes
- Using ECMAScript 6 Maps
- Negating Predicate Functions in JavaScript
- Finding an Object’s Size in JavaScript
- Detecting Arrays vs. Objects in JavaScript
- Checking Date Equality in JavaScript
- The Perils of Non-Local Mutation
- Measuring JavaScript Performance with console.time
- The Problems with for…in and JavaScript Arrays
- Safely Referencing Undeclared Global Variables
- Faster Websites - Minifying Your JavaScript with Uglify
- Don’t Blow Your Stack - Recursion and Trampolines in JavaScript
- Lists of Unique Values - Using ES6 Sets in JavaScript
- Automating Your Way to Better JavaScript with Grunt
- Creating Private Properties with ES6 Symbols
- Holy Bat-Signal, Batman! Implementing the Observer Pattern in JavaScript
- Even Stricter Equality with Object.is
Other books by this author
The Leanpub 60-day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
See full terms
Do Well. Do Good.
Authors have earned$11,958,174writing, publishing and selling on Leanpub, earning 80% royalties while saving up to 25 million pounds of CO2 and up to 46,000 trees.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
Top Books
- #1
OpenIntro Statistics
David Diez, Christopher Barr, Mine Cetinkaya-Rundel, and OpenIntroA complete foundation for Statistics, also serving as a foundation for Data Science.
Leanpub revenue supports OpenIntro (US-based nonprofit) so we can provide free desk copies to teachers interested in using OpenIntro Statistics in the classroom and expand the project to support free textbooks in other subjects.
More resources: openintro.org.
- #2
Linear Algebra
Elira Curri and Tanush ShaskaAnswers to selected problems included.
- #3
Modern IT Automation with PowerShell
The DevOps Collective, Inc. and Michael ZanattaA PowerShell Textbook written by the community for the community!
- #4
Ansible for DevOps
Jeff GeerlingAnsible is a simple, but powerful, server and configuration management tool. Learn to use Ansible effectively, whether you manage one server—or thousands.
- #5
R Programming for Data Science
Roger D. PengThis book brings the fundamentals of R programming to you, using the same material developed as part of the industry-leading Johns Hopkins Data Science Specialization. The skills taught in this book will lay the foundation for you to begin your journey learning data science. Printed copies of this book are available through Lulu.
- #6
Code Your Own Synth Plug-Ins With C++ and JUCE
Matthijs HollemansLearn the fundamentals of audio programming by building a fully-featured software synthesizer plug-in, with every step explained along the way. The plug-in can be used in all the popular DAWs and is made using the industry standard tools for audio development: JUCE framework and the C++ programming language. Not too much math, lots of explanations!
- #7
Deep Learning with PyTorch Step-by-Step
Daniel Voigt GodoyIn 2019, I published a PyTorch tutorial on Towards Data Science and I was amazed by the reaction from the readers! Their feedback motivated me to write this book to help beginners start their journey into Deep Learning and PyTorch. I hope you enjoy reading this book as much as I enjoy writing it.
- #8
Aprendiendo Git
Miguel Angel Durán GarcíaGit no es complicado... ¡Si lo entiendes! 😜
¿Sientes que sabes usarlo porque has memorizado todos los comandos que necesitas? ¡Pero no entiendes qué hace cada cosa y por qué! Así es normal que, cuando exista un problema, te cueste resolverlo.
¡Con este libro vas a entender de una vez por todas todo lo que es Git y cómo sacarle provecho!
- #9
Algebra-Driven Design
Sandy MaguireA how-to field guide on building leak-free abstractions and algebraically designing real-world applications.
- #10
The Rails 7 Way
Obie Fernandez, Lucas Dohmen, and Tom Henrik AadlandThe Rails™ 7 Way is the comprehensive, authoritative reference guide for professionals delivering production-quality code using modern Ruby on Rails. It illuminates the entire Rails 7 API, its most powerful idioms, design approaches, and libraries. Building on the previous editions, this edition has been heavily refactored and updated.
Top Bundles
- #1
Software Architecture
2 Books
"Software Architecture for Developers" is a practical and pragmatic guide to modern, lightweight software architecture, specifically aimed at developers. You'll learn:The essence of software architecture.Why the software architecture role should include coding, coaching and collaboration.The things that you really need to think about before... - #2
CCIE Service Provider Ultimate Study Bundle
2 Books
Piotr Jablonski, Lukasz Bromirski, and Nick Russo have joined forces to deliver the only CCIE Service Provider training resource you'll ever need. This bundle contains a detailed and challenging collection of workbook labs, plus an extensively detailed technical reference guide. All of us have earned the CCIE Service Provider certification... - #3
Pattern-Oriented Memory Forensics and Malware Detection
2 Books
This training bundle for security engineers and researchers, malware and memory forensics analysts includes two accelerated training courses for Windows memory dump analysis using WinDbg. It is also useful for technical support and escalation engineers who analyze memory dumps from complex software environments and need to check for possible... - #4
Static Analysis and Automated Refactoring
2 Books
As PHP developers we are living in the "Age of Static Analysis". We can use a tool like PHPStan to learn about potential bugs before we ship our code to production, and we can enforce our team's programming standards using custom PHPStan rules. Recipes for Decoupling by Matthias Noback teaches you in great detail how to do this, while also... - #6
Practical FP in Scala + Functional event-driven architecture
2 Books
Practical FP in Scala (A hands-on approach) & Functional event-driven architecture, aka FEDA, (Powered by Scala 3), together as a bundle! The content of PFP in Scala is a requirement to understand FEDA so why not take advantage of this bundle!? - #7
Modern C++ Collection
3 Books
Get All about Modern C++C++ Standard Library, including C++20Concurrency with Modern C++, including C++20C++20Each book has about 200 complete code examples. Updates are included. When I update one of the books, you immediately get the updated bundle. You can expect significant updates to each new C++ standard (C++23, C++26, .. ) and also... - #8
All the Books of The Medical Futurist
6 Books
We put together the most popular books from The Medical Futurist to provide a clear picture about the major trends shaping the future of medicine and healthcare. Digital health technologies, artificial intelligence, the future of 20 medical specialties, big pharma, data privacy, digital health investments and how technology giants such as Amazon... - #10
Statistics - All Lee Baker's Books
10 Books
This bundle includes all of the statistics books that Lee Baker has published at LeanPub 13 Statistics Books*1 PlaceNo Hassle! All in both epub and mobi formats - perfect for all devices and screen sizes. --------------------------------------------------------- *The book listed as Getting Started With Statistics is a bundle of 4 books...
