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This extended category features articles on client-side and server-side programming languages, tools, frameworks and libraries, as well as back-end issues. Experts and professionals reveal their coding tips, tricks and ideas. Curated by Dudley Storey and Rey Bango. Subscribe to the RSS-Feed.
Have you ever opened a website, started reading and, after some time had passed and all assets had finished loading, you found that you’ve lost your scroll position? I undergo this every day, especially when surfing on my mobile device on a slow connection — a frustrating and distracting experience.
Every time the browser has to recalculate the positions and geometries of elements in the document, a reflow happens. This happens when new DOM elements are added to the page, images load or dimensions of elements change. In this article, we will share techniques to minimize this content shifting.
Lately, I’ve gotten spoiled from using an editor that does intelligent autocompletion for me, something that in the past only massive complex IDEs offered. Opening my editor of choice, I created an input element and added an autocomplete attribute, only to find that the code completion offered me the state of on or off. Disappointing.
First, I’ll recap what async functions are and how they work. Then, I’ll highlight the differences between Koa 1 and Koa 2. After that, I will describe my demo app for Koa 2, covering all aspects of development, including testing (using Mocha, Chai and Supertest) and deployment (using PM2).
For some time now, I’ve wanted the ability to route paths for a GitHub Pages website to its index.html for handling as a single-page app (SPA). This is table-stakes because such apps require all requests to be routed to one HTML file, unless you want to copy the same file across all of your routes every time you make a change to the project. Currently, GitHub Pages doesn’t offer a route-handling solution; the Pages system is intended to be a flat, simple mechanism for serving basic project content.
In case you weren’t aware, GitHub does provide one morsel of customization for your project website: the ability to add a 404.html file and have it served as your custom error page. I took a first stab at an SPA hack simply by duplicating my index.html file and renaming the copy to 404.html.
One of the hardest decisions to make when starting a new app is which platforms to target. A mobile app gives you more control and better performance but isn’t as universal as the web. If you’re making a mobile app, can you afford to support both iOS and Android?
What about trying to build a mobile app and a responsive web app? Ultimately, the best experience for your customers is for your app to work everywhere, but the development and maintenance costs of that can be prohibitive.
Recently, I’ve been working on an isomorphic React website. This website was developed using React, running on an Express server. Everything was going well, but I still wasn’t satisfied with a load-blocking CSS bundle. So, I started to think about options for how to implement the critical-path technique on an Express server.
This article contains my notes about installing and configuring a critical-path performance optimization using Express and Handlebars. Throughout this article, I’ll be using Node.js and Express. Familiarity with them will help you understand the examples.
In this little tutorial, I’m going to share some tips I recently followed to build a fun demo for the Build 2016 conference. The idea was to create a small 8-bit drum machine, with 8-bit sounds and graphics:
This small web app was used in one of our demos to illustrate how you can easily provide a temporary offline experience when your hosted web app loses Internet connectivity. It works in all desktop browsers as well as on all smartphones (iOS, Android and Windows Mobile).
Static site generators are pretty en vogue nowadays. It is as if developers around the world are suddenly realizing that, for most websites, a simple build process is easy enough to render the last 20 years of content management systems useless. All right, that’s a bit over the top. But for the average website without many moving parts, it’s pretty close!
However, does that hold true for websites bigger than your humble technology blog? How do static site generators behave when the number of pages exceeds the average portfolio website and runs up into the thousands? Or when development is a team effort? Or when people of different technical backgrounds are involved? This is the story of how we managed to bring roughly 2000 pages and 40 authors onto a technology stack made for hackers.
With flat design becoming the ever visible trend of 2016, it’s clear why there’s been a resurgence in SVG usage. The benefits are many: resolution-independence, cross-browser compatibility and accessible DOM nodes. In this article, we’ll take a look at how we can use SVGs to create seemingly complex animations from simple illustrations.
This project began as a simple thought experiment: How far can we push SVG animation? At the time, designer Chris Halaska and I were colleagues working on an illustration-heavy campaign website. While aesthetically pleasing, the designs lacked the required “oomph” that all creatives search for.