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Container-Adapting Tabs With “More” Button
2.5.2018
Or the priority navigation pattern, or progressively collapsing navigation menu. We can name it in at least three ways.
There are multiple UX solutions for tabs and menus and each of them have their own advantages over another, you just need to pick the best for the case you are trying to solve....
Wakamai Fondue
1.5.2018
Roel Nieskens released a tool that lets you upload a font file and see what’s inside, from how many characters it contains to the number of languages it supports. Here’s what you see once you upload a font, in this case Covik Sans Mono Black:
Why is this data useful? Well, I used this tool just...
Change Python Version
1.5.2018
Python plays a major role at Mozilla; much of our website backends and tooling are written in the powerful language. Want to build Firefox? You’ll need to make sure you have the proper Python version, which I recently found out had been upgraded. Despite installing and verifying I had...
Finger-friendly numerical inputs with `inputmode`
30.4.2018
Forms are often a nightmare on mobile. We can make the process as pain-free as possible by reacting to context. Input fields that expect numerical values should have a numerical UI. Bringing up a number keyboard on small screens is easy on most platforms — just use a <input...
CSS Blocks
27.4.2018
A new entry into the CSS-in-JS landscape! Looks like the idea is that you write an individual CSS file for every component. You have to work in components, that's how the whole thing works. In the same isle as styled-components, css-modules, and glamorous.
Then you write :scope { } which is...
Understanding React `setState`
25.4.2018
React components can, and often do, have state. State can be anything, but think of things like whether a user is logged in or not and displaying the correct username based on which account is active. Or an array of blog posts. Or if a modal is open or not and which tab within it is active.
React...
JAMstack Comments
24.4.2018
JAMstack sites are often seen as being static. A more accurate mental model for them would be that they are sites which have the ability to be hosted statically. The difference might seem semantic, but thanks to the rise of many tools and services which simplify running a build and deploying...
Native-Like Animations for Page Transitions on the Web
23.4.2018
Some of the most inspiring examples I’ve seen of front-end development have involved some sort of page transitions that look slick like they do in mobile apps. However, even though the imagination for these types of interactions seem to abound, their presence on actual sites that I visit do not....
Choosing a Responsive Email Framework: MJML vs. Foundation for Emails
20.4.2018
Implementing responsive email design can be a bit of a drag. Building responsive emails isn’t simple at all, it is like taking a time machine back to 2001 when we were all coding website layouts in tables using Dreamweaver and Fireworks.
But there's hope! We have tools available that can make...
Build an Amazon-Like Product Preview App using Vue.js
19.4.2018
If you have ever used online stores like Amazon or eBay, you have definitely used the preview feature. It shows you images or videos of the product so you know what to expect before making a purcha
What are Higher-Order Components in React?
19.4.2018
If you have been in the React ecosystem for a while, there is a possibility that you have heard about Higher Order Components. Let’s look at a simple implementation while also trying to explain the core idea. From here you should get a good idea of how they work and even put them to use.
Why...
The Dark Side of Promises
9.4.2018
Since the release of es6 many new features have found their way into NodeJS, but non had quite the same impact as promises. Promises have been developed for the browser before es6 was even a thing. There were several implementations that have been used like jQuery’s deferred object before...
Script & Style Show: Episode 6: Debugging with Jason Laster
7.4.2018
On this week’s episode: we welcome my colleague Jason Laster from Mozilla to speak about the Firefox DevTools debugger. We talk debugging, console shame, the future of JavaScript debuggers, and more! Have ideas for the next episode? Comment below!
The post Script & Style Show: Episode...
4 Things Every Progressive Web App Must Have
5.4.2018
A Progressive Web App (PWA) is a web app that uses modern web capabilities to deliver an app-like experience to users. It looks and behaves as if it is a mobile app and can be kinda installed. In t
Script & Style Show: Episode 5: Q&A
1.4.2018
On this week’s episode: Todd’s back from vacation while David’s knee-deep in a Firefox Debugger breakpoint UI update. We eventually move on to viewer questions that range form JavaScript knowledge, the Array.flatten controversy, front-end testing (TDD vs. BDD), and mastering...
How to Optimize Node Requests with Simple Caching Strategies
29.3.2018
One of the things that affect how users interact with our applications is its speed. Even though some users generally have a poor connection, they are expecting some minimum level of speed when usi
Incapsula Web Application Firewall (Sponsored)
29.3.2018
When I speak with people who have interviewed for front-end jobs at cryptocurrency exchanges, they always tell me how surprised they are that a majority of the interview questions are security-centric. Basic front-end security practices are fair game for all front-end developer interviews...
How To Make Netflix-Like Swipers in Vue
23.3.2018
If you have been building for the web for a little while, you would have like me encountered at least some issues when making swipers - for some reason, they always seem to have a mind of their ow
5 Crucial Concepts for Learning d3.js and How to Understand Them
23.3.2018
You may have already heard about d3.js, the dazzling JavaScript library that lets you create beautiful charts and graphics with just a few lines of code. You might have seen some of the fantastic examples of D3 in action, or you may have heard that the New York Times uses it to create...
Exchange Rates and Currency Conversion with fixer.io (Sponsored)
22.3.2018
My most stressful tasks as a coder have always revolved around money. Whether you’re coding a site for a client, your own business, or your employer, you want to be damn sure that any handling of currency is accurate, secure, and localized. We always want our code to work but when...