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React and autofocus

7.5.2018
While I love ReactJS, I can say that I sometimes find interactions that were easy during the pre-ReactJS are annoyingly difficult or at least “indirect”. One example is properly ensuring that a given <input> element gets focused when a button in a different component...

Build A Scroll-Spy Navbar (Solution to Code Challenge #9)

7.5.2018
Last week we put out a challenge to build out a scroll-spy navbar. Scroll-spy navbars are great and highlights th

CSS Environment Variables

4.5.2018
We were all introduced to the env() function in CSS when all that drama about "The Notch" and the iPhone X was going down. The way that Apple landed on helping us move content away from those "unsafe" areas was to provide us essentially hard-coded variables to use: padding: ...

Inspecting Animations in DevTools

4.5.2018
I stumbled upon the Animation panel in Chrome’s DevTools the other day and almost jumped out of my seat with pure joy. Not only was I completely unaware that such a thing exists, but it was better than what I could’ve hoped: it lets you control and manipulate CSS animations and visualize...

Responsive Knockout Text With Looping Video

3.5.2018
Here’s an idea! Let’s make an an HTML <video> play inside the shape of some letters. Like "Knockout Text" except instead of an image behind, it’s video. A live demo will explain more clearly: See the Pen basic pen by Giulio Mainardi (@mgiulio) on CodePen. A key objective here is to develop...

Managing Heading Levels In Design Systems

3.5.2018
Heydon Pickering looks into how to give a React component a certain heading (like <h1>, <h2>, etc.) depending on its context and thereby ensure that the DOM is still perfectly accessible for screen readers. Why is using the right heading important though? Heydon writes in...

Code Challenge #9: Build A Scroll-Spy Navbar

1.5.2018
A navigation bar is undoubtedly a really important element considered while designing websites and web pages. In a website, it's utilized in navigating around the site through specific links. Howev

Animating Progress

30.4.2018
Jonathan Snook on the complexity of animating the <progress> element. If you’re unfamiliar, that’s the element that spits out a bar chart-like visual that indicates a position between two values: This example has custom styles, but you get the point. Jonathan's post shows off a method...

Collective #411

30.4.2018
cssgr.id * Ivy * Lifefaker * VS Code Extensions * Unavatar * load-asset * Figurine * Heartbeat Function Collective #411 was written by Pedro Botelho and published on Codrops

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...

Radial Gradient Recipes

26.4.2018
Radial gradients are pretty dang cool. It's amazing we can paint the background of an element with them so easily. Easily is a relative term though. It's certainly easier than needing to create a graphic in third-party software to use as the background, and the syntax is highly learnable. But it's...

Level Up Your JavaScript Error Monitoring

26.4.2018
(This is a sponsored post.) Automatically detect and diagnose JavaScript errors impacting your users with Bugsnag without changing your code or adding try/catch blocks. Get comprehensive diagnostic reports, know immediately which errors are worth fixing, and debug in a fraction of the time compared...

Reset File Changes with git

25.4.2018
There are many different philosophies when it comes to code review but mine is fairly simple: I like receiving early “work in progress” patches, I like to be positive in my code review messages, and if a patch is 90% there, I like to finish the patch myself so the project...

Collective #409

23.4.2018
Permit * React in patterns * Sketchize * GitHub Learning Lab * Slugify * pico.js * BBC Sound Effects * VS Code can do that?! Collective #409 was written by Pedro Botelho and published on Codrops

SOLID – (S)ingle Responsibility Principle

23.4.2018
V tomto článku představím Single Responsibility Princip ze SOLIDu. Ukážeme si, jak tento princip dodržovat na konkrétním příkladu, namalujeme si nějaké UML diagramy, a nakonec přiložím celý příklad k dispozici v Typescriptu

Scroll to the Future

19.4.2018
This is an interesting read on the current state of scrollbars and how to control their behavior across operating systems and browsers. The post also highlights a bunch of stuff I didn’t know about, like Element.scrollIntoView() and the scroll-behavior CSS property. My favorite part of all though?...