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The Flavors of Object-Oriented Programming (in JavaScript)


In my research, I've found there are four approaches to Object-Oriented Programming in JavaScript. Which methods should I use? Which one is "the best" way? Here I'll present my findings along with information that may help you decide which is right for you. The post The Flavors of Object-Oriented...

Beyond Media Queries: Using Newer HTML & CSS Features for Responsive Designs


Beyond using media queries and modern CSS layouts, like flexbox and grid, to create responsive websites, there are certain overlooked things we can do well to make responsive sites. In this article, we’ll dig into a number tools (revolving around HTML and CSS) we have at the ready, from responsive...

How to Make a Media Query-less Card Component


Fun fact: it’s possible to create responsive components without any media queries at all. Certainly, if we had container queries, those would be very useful for responsive design at the component level. But we don’t. Still, with or without container queries, we can do things to make our components...

Promise.allSettled


The Promise object has many useful functions like all, resolve, reject, and race — stuff we use all the time. One function that many don’t know about is Promise.allSettled, a function that fires when all promises in an array are settled, regardless of whether any of the promises...

Binding Arguments with Bind


One of my favorite and most essential Function method is bind, a function we added to MooTools when it wasn’t featured in the JavaScript language itself. We often think of using bind to simply bind a method’s call to its host object, but did you know you can also bind arguments with...

Fluid Images in a Variable Proportion Layout


Creating fluid images when they stand alone in a layout is easy enough nowadays. However, with more sophisticated interfaces we often have to place images inside responsive elements, like this card: For now, let’s say this image is not semantic content, but only decoration. That’s...

Get Programmatic Control of your Builds with Netlify Build Plugins


Today at Jamstack_Conf, Netlify announced Build Plugins. What it does is allow you to have particular hooks for events within your build, like when the build starts or ends. What’s nice about them is that they’re just a plain ‘ol JavaScript object, so you can insert some logic...

Turning a Fixed-Size Object into a Responsive Element


I was in a situation recently where I wanted to show an iPhone on a website. I wanted users to be able to interact with an application demo on this “mock” phone, so it had to be rendered in CSS, not an image. I found a great library called marvelapp/devices.css. The library implemented the device...

CSS2JS


To add inline styles on an element in JSX, you have to do it in this object syntax, like: <div style={{ fontSize: 16, marginBottom: "1rem" }}Content </div That might look a little weird to us folks who are so used to the CSS syntax, where it is font-size (not fontSize), margin-bottom...

A Guide to Handling Browser Events


In this post, Sarah Chima walks us through how we can work with browser events, such as clicking, using JavaScript. There’s a ton of great info in here! If JavaScript isn’t your strong suit, I think this is the best explanation of event handling that I’ve read in quite some time. When an event...

Centering a div That Maintains Aspect-Ratio When There’s Body Margin


Andrew Welch had a little CSS challenge the other day to make an ordinary div: • centered vertically + horizontally• scales to fit the viewport w/ a margin around it• maintains an arbitrary aspect ratio• No JS There's a video in that tweet if it helps you visualize the challenge. I saw Paul...

Lazy Object Initialization


The Firefox DevTools underlying code, which is written with JavaScript and HTML, is a complex application. Due to the complexity and amount of work going on, the DevTools team has done everything they can to load as little as possible. Furthermore the team has a system of lazily importing...

Timeless Web Dev Articles


Pavithra Kodmad asked people for recommendations on what they thought were some of the most timeless articles about web development that have changed their perspective in some way. Fun! I'm gonna scour the thread and link up my favorites (that are actually articles, although not all of them...

Playing with Texture Projection in Three.js


In this tutorial, you'll learn how to project a texture onto an object in Three.js with some interesting examples. Playing with Texture Projection in Three.js was written by Marco Fugaro and published on Codrops

The Typed Object Model


I help write technical documentation and one feature I've been writing about this year that has really stood out is the Typed Object Model (or Typed OM). If you haven't come across it yet you would be forgiven as it's pretty new. It falls under the CSS Houdini suite of API's and on the surface...

Query JSON documents in the Terminal with GROQ


JSON documents are everywhere today, but they are rarely structured the way you want them to be. They often include too much data, have weirdly named fields, or place the data in unnecessary nested objects. Graph-Relational Object Queries (GROQ) is a query language (like SQL, but different) which...

What is super() in JavaScript?


What's happening when you see some JavaScript that calls super()?.In a child class, you use super() to call its parent’s constructor and super.<methodName> to access its parent’s methods. This article will assume at least a little familiarity with the concepts of constructors and child...

Adaptive Photo Layout with Flexbox


Let’s take a look at a super lightweight way to create a horizontal masonry effect for a set of arbitrarily-sized photos. Throw any set of photos at it, and they will line up edge-to-edge with no gaps anywhere. The solution is not only lightweight but also quite simple. We’ll be using an unordered...

All the New ES2019 Tips and Tricks


The ECMAScript standard has been updated yet again with the addition of new features in ES2019. Now officially available in node, Chrome, Firefox, and Safari you can also use Babel to compile these features to a different version of JavaScript if you need to support an older browser. Let’s look...

then on Objects


Promises were a revelation in JavaScript development, allowing us to enjoy async processing and avoid callback hell. Many new APIs like Battery API, Cache API, and others use the promise API. One fact you may not know is that you can add a then method to any object to make it Promise-like!...

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