JavaScript blogs
Comprehensive guides to mastering JavaScript and beyond.
Understand var and Hoisting in JavaScript
Todd Motto
Sep 5, 2019
In this post we are going to understand something called a variable. A variable technically means anything that is actually “variable” - something ...
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Mastering Control Flow: Promises and Callbacks to Async and Await
Mark Halpin
Aug 28, 2019
If you haven’t already guessed, this post will walk you through all things promises, callbacks, and JavaScript’s newest flow control method, async/...
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All about Immutable Arrays and Objects in JavaScript
Miroslav Jonas
Jul 23, 2019
There has been an explosion of popularity of libraries like Redux and NGRX. One common requirement they have is an immutable state. The state of th...
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New JavaScript ES2019 features you need to know!
Marta Wiśniewska
Jul 1, 2019
With 2019 sure underway, we’re here to dive into the new ES2019 features in the JavaScript language! Some new operators are now available to us, so...
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Conditionals in JavaScript: If, Else If and Else
Todd Motto
May 3, 2019
Let’s talk about conditional logic in JavaScript! We’re not going to go all “computer-science” on you and bore you with control flow diagrams - I’m...
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Cache-busting in Jekyll, GitHub pages
Todd Motto
Oct 23, 2016
I’ve always found updating my blog an interesting feat, however with several million users per year (you crazy cats) cache-busting is something I’v...
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Pure versus impure functions
Todd Motto
Oct 11, 2016
Understanding pure and impure functions is a simple transition into cleaner, more role-based and testable code. In this post we’ll explore pure and...
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ES6 arrow functions, syntax and lexical scoping
Todd Motto
Apr 14, 2015
ES2015 (ES6) introduces a really nice feature that punches above its weight in terms of simplicity to integrate versus time saving and feature outp...
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Polyfills suck use a featurefill instead
Todd Motto
Dec 1, 2014
I’m going to dub this a featurefill as the post title suggests, but it’s more a feature-detect-closure-binding-smart-polyfill-api-checker-reusable-...
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Replacing switch statements with Object literals
Todd Motto
Jul 17, 2014
In many programming languages, the switch statement exists - but should it any longer? If you’re a JavaScript programmer, you’re often jumping in a...
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Web Components and concepts ShadowDOM imports templates custom elements
Todd Motto
Jul 2, 2014
Web Components, the future of the web, inspired from attending Google I/O I decided to pick up Web Components and actually build something. Since l...
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Methods to determine if an Object has a given property
Todd Motto
Jun 30, 2014
There are multiple ways to detect whether an Object has a property. You’d think it’d be as easy as myObject.hasOwnProperty('prop'); - but no, there...
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