Blog
JavaScript’s new way to make objects
In JavaScript, we use functions in three different ways: as methods of objects; as constructors of objects; and, as “regular” [...]
Read more JavaScript’s new way to make objects
A Manager’s Guide to Design Patterns
We’ve just finished a cool project with O’Reilly: a short manager’s guide to design patterns. Here’s the idea: create a guide that gives you the [...]
Read more A Manager’s Guide to Design Patterns
What makes JavaScript different?
JavaScript is a bit different from other programming languages. How? In part three of Head First JavaScript Programming Teasers, Elisabeth steps [...]
Read more What makes JavaScript different?
The Art of Design Patterns
Anyone who has ever been late on a software development project (who hasn’t?) can relate to this. Software development starts to feel more like [...]
Read more The Art of Design Patterns
JavaScript arrow functions
JavaScript isn't the first language to use first class functions, but it's likely the language that made them popular. Java, Objective C, C#, [...]
Read more JavaScript arrow functions
Coming soon to JavaScript: block scope with let
Like var, you’ll use let to create variables (not constants). You might be wondering why we need two ways to create variables. Well, let differs [...]
Read more Coming soon to JavaScript: block scope with let
Coming soon to JavaScript: constants
In programming you can assign values to variables. In some languages, you can also assign values to constants. What's the difference? The values [...]
Read more Coming soon to JavaScript: constants
Reader Question about this
I got another great question from a Head First JavaScript Programming reader this week, about how to keep [...]
Read more Reader Question about this
Head First Design Patterns
Updated in 2014 for Java 8. It’s been ten years since Eric and I wrote our first Head First book, Head First Design Patterns. Ten years! [...]
Read more Head First Design Patterns
Dos and Don’ts in JavaScript
With every programming language, there’s a list of do’s and don’ts and JavaScript is no exception. Some of these best practices are there for [...]
Read more Dos and Don’ts in JavaScript