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Using a Mixin to Take the Math out of Responsive Font Sizes


Responsive Font Size (RFS) is an engine that automatically calculates and updates the font-size property on elements based on the dimensions of the browser viewport. If you’re thinking that sounds familiar, that’s because there is a slew of tools out there that offer various approaches for fluid...

KV Storage


localStorage is... Good! It's an incredibly easy API to use. localStorage.setItem('name', 'Chris'); let name = localStorage.getItem('name'); Bad! Philip Walton explains why: localStorage is a synchronous API that blocks the main thread, and any time you access it you potentially prevent your...

Differential Serving


There is "futuristic" JavaScript that we can write. "Stage 0" refers to ideas for the JavaScript language that are still proposals. Still, someone might turn that idea into a Babel plugin and it could compile into code that can ship to any browser. For some of these lucky proposals, Stage 0 becomes...

Scroll-Linked Animations


You scroll down to a certain point, now you want to style things in a certain way. A header becomes fixed. An animation triggers. A table of contents appears. To do anything based on scroll position, JavaScript is required right now. You watch the scroll position via a DOM event and alter...

7 things you should know when getting started with Serverless APIs


I want you to take a second and think about Twitter, and think about it in terms of scale. Twitter has 326 million users. Collectively, we create ~6,000 tweets every second. Every minute, that’s 360,000 tweets created. That sums up to nearly 200 billion tweets a year. Now, what if the creators...

CSS Remedy


There is a 15-year history of CSS resets. In fact, a "reset" isn't really the right word. Tantek Çelik's take in 2004 was called "undohtml.css" and it wasn't until a few years later when Eric Meyer called his version a reset, that the word became the default term. When Normalize came around,...

Using CSS Grid the right way


Violet Peña has shared her recommendations for using CSS Grid. They basically boil down to these high-level points: Use names instead of numbers for setting up our grid columns. fr should be our flexible unit of choice. We don’t really need a grid system anymore. Although this is all great advice...

Social Cards as a Service


I love the idea of programmatically generated images. That power is close at hand these days for us front-end developers, thanks to the concept of headless browsers. Take Puppeteer, the library for controlling headless Chrome. Generating images from URLs is their default use case: const puppeteer...

Using Dotfiles for Managing Development and Many Other Magical Things


Howdy folks! 🎉 I'm Simon Owen, and over the years, I've loved being a part of and learning from the dotfiles community. I spend a lot of time teaching developers and running workshops. In those sessions, demonstrating how I set up my development environment is often one of things that folks...

Collective #490


Rendering on the Web * Textblock * 30 Seconds of Knowledge * Mixkit * FormVuelar * GitHub History Collective #490 was written by Pedro Botelho and published on Codrops

Git fork synchronizace


Už po několikáté jsem musel vzpomínat, jak správně synchronizovat forknutý repozitář z GitHubu. Znáte to také? Nejspíš ano. Pojďme si postup připomenout společně

Need to Test API Endpoints? Two Quick Ways to Do It.


Here's a possibility! Perhaps you are testing your JavaScript with a framework like Jasmine. That's nice because you can write lots of tests to cover your application, get a nice little UI to see the output, and even integrate it with build and deploy tools to make your ongoing development work...

STAR Apps: A New Generation of Front-End Tooling for Development Workflows


Product teams from AirBnb and New York Times to Shopify and Artsy (among many others) are converging on a new set of best practices and technologies for building the web apps that their businesses depend on. This trend reflects core principles and solve underlying problems that we may share, so...

Super Simple GraphQL with Node


GraphQL is a specification and therefore language agnostic. When it comes GraphQL development with node, there are various options available ranging from

[aktualita] GitHub začal vývojářům nabízet soukromé repozitáře zdarma


Vývojářský server GitHub oznámil novinku: jeho uživatelé nově mohou zakládat a provozovate neomezený počet soukromých repozitářů se svými projekty, aniž by si museli pořídit jeden z placených balíčků. GitHub změnu oznámil na svém blogu. Na projektech v soukromých repozitářích zdarma bude vývojář...

GitHub Private Repos are Now Free and Unlimited


This is some awesome news! GitHub has always had private repositories part of their paid subscription. I believe it was capped at a few free private repos and then you had to upgrade after three or

Quicklink


We're in the future now so, of course, we're working on ways to speed up the web with fancy new tactics above and beyond the typical make-pages-slimmer-and-cached-like-crazy techniques. One tactic, from years ago, was InstantClick: Before visitors click on a link, they hover over that link. Between...

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