getify Tutorials
I Don’t Hate Arrow Functions
TL;DRArrow functions are fine for certain usages, but they have so many variations that they need to be carefully controlled to not break down the readability of the code.While arrow functions clearly have a ubiquitous community consensus (though not unanimous support!), it turns out there's a...
![Thinking JavaScript]()
Thinking JavaScript
I was teaching a JavaScript workshop the other day and one of the attendees asked me a JS brain teaser during the lunch break that really got me thinking. His claim was that he ran across it accidentally, but I'm a bit skeptical; it might just...
Functional Programming (FP) By Any Other Name…
Don't worry, this is not YAMA (yet another monad article)! Instead, I want to talk about a library I've recently released that offers a helpful twist on typical functional programming ("FP") operations (like
map(..),compose(..), etc). Before we jump in: if you're like me and have tried...ES6: Features By Testing
TL;DR Use the FeatureTests.io service to perform feature tests of ES6+ features. The results of these tests are cached by default in the user's browser, and shared across all sites the user visits that use this service. In the bootstrapper for your site/app, check the results of...
![Fixing Coercion, Not The Symptoms]()
Fixing Coercion, Not The Symptoms
TL;DR Your complaints of
x == ybehaviors being weird, buggy, or downright broken have all blamed==as the culprit. No, it's really not.==is pretty helpful, actually. The problems you're having are not with the==operator itself, but with the underlying values and how...-
![For and against `let`]()
For and against `let`
In this post I'm going to examine the case for (and perhaps against?) one of the new features coming in JavaScript ES6: the
letkeyword.letenables a new form of scoping not previously accessible generally to JS developers: block scoping. Function Scope Let's briefly review the basics...![Unwrapping JSON-P]()
Unwrapping JSON-P
This is a quickie simple post on JavaScript techniques. We're going to look at how to unwrap the "P" function-call padding from a JSON-P string to get the JSON from it. Note: Obviously, the recent push toward ubiquity of CORS is making JSON-P less important...
![Using String Replace in JavaScript]()
Using String Replace in JavaScript
This is a quickie simple post on JavaScript techniques. We're going to cover how to use the regular expression driven
replace(..)with JavaScriptstringvalues. Allstringvalues have areplace(..)method available to them. This method allows you to pass a regular expression (or astring...
![Combining JavaScript Arrays]()
Combining JavaScript Arrays
This is a quickie simple post on JavaScript techniques. We're going to cover different methods for combining/merging two JS arrays, and the pros/cons of each approach. Let's start with the scenario: The simple concatenation of
aandbwould, obviously, be:concat(..)The most common approach is: As you can see...Getting Concurrent With ES6 Generators
If you've read and digested part 1, part 2, and part 3 of this blog post series, you're probably feeling pretty confident with ES6 generators at this point. Hopefully you're inspired to really push the envelope and see what you can do with...
Kyle Simpson is a web-oriented software engineer, widely acclaimed for his "You Don't Know JS" book series and nearly 1M hours viewed of his online courses. Kyle's superpower is asking better questions, who deeply believes in maximally using the minimally-necessary tools for any task. As a "human-centric technologist", he's passionate about bringing humans and technology together, evolving engineering organizations towards solving the right problems, in simpler ways. Kyle will always fight for the people behind the pixels.
