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Using a Mixin to Take the Math out of Responsive Font Sizes
9.4.2019
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...
Native Lazy Loading
9.4.2019
IntersectionObserver has made lazy loading a lot easier and more efficient than it used to be, but to do it really right you still gotta remove the src and such, which is cumbersome. It's definitely not as easy as:
<img src="celebration.jpg" loading="lazy" alt="..." />
Addy Osmani says...
Testing for Visual Regressions with Percy
8.4.2019
It’s a Herculean task to test
Undefined: The Third Boolean Value
5.4.2019
I wanted to implement a notification message in one of my projects, similar to what you’d see in Google Docs while a document is saving. In other words, a message shows up indicating that the document is saving every time a change is made. Then, once the changes are saved, the message becomes: “All...
Revisiting the Rendering Tier
5.4.2019
Have you ever created a well-intentioned, thoughtful design system only to watch it grow into an ever-increasing and scary codebase? I've been working in sort of the opposite direction, inheriting the scary codebase and trying to create a thoughtful system from it.
Here's Alex Sanders on the topic...
Decaying Sites
4.4.2019
Websites have a tendency to decay all by themselves. Link rot, they call it. Unpaid domain name registrations. Companies that have gone out of business. Site owners that have lost interest. What's sadder than a 404? Landing on a holding page of a URL that used to exist, but now has fallen into...
A Couple of New Wufoo Tips
4.4.2019
(This is a sponsored post.)
High fives to Wufoo, our long-time sponsor here on CSS-Tricks. It's powered the vast majority of forms I've built over the past decade. If you've never used it or heard of it: it's a form builder. It makes the arduous task of implementing forms trivially easy. Building...
Fixed Headers, On-Page Links, and Overlapping Content, Oh My!
3.4.2019
Let's take a basic on-page link:
<a href="#section-two">Section Two</a>
When clicked, the browser will scroll itself to the element with that ID: <section id="section-two"></section>. A browser feature as old as browsers themselves, just about.
But as soon as...
Responsible JavaScript
3.4.2019
We just made a note about this article by Jeremy Wagner in our newsletter but it’s so good that I think it’s worth linking to again as Jeremy writes about how our obsession with JavaScript can lead to accessibility and performance issues:
What we tend to forget is that the environment websites...
What Are Design Tokens?
3.4.2019
I’ve been hearing a lot about design tokens lately, and although I’ve never had to work on a project that’s needed them, I think they’re super interesting and worth jotting down a few notes about. As I understand it, the general idea is this: design tokens are an agnostic way to store variables...
Make it hard to screw up driven development
2.4.2019
Development is complicated. Our job is an ongoing battle between getting the job done and doing that job in a safe, long-lasting way.
Developers say things like, "I'm just going to do this quick and dirty first," because it's taken as fact that if you code anything quickly, it not only will...
Form Validation in Under an Hour with Vuelidate
2.4.2019
Form validation has a reputation for being tricky to implement. In this tutorial, we’ll break things down to alleviate some of that pain. Creating nice abstractions for forms is something that Vue.js excels at and Vuelidate is personally my favorite option for validations because it doesn't require...
Who has the fastest website in F1?
2.4.2019
Jake Archibald looks at the websites of Formula One race teams and rates their performance, carefully examining their images and digging into the waterfall of assets for each site:
Trying to use a site while on poor connectivity is massively frustrating, so anything sites can do to make it less...
KV Storage
1.4.2019
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...
Yet Another JavaScript Framework
1.4.2019
On March 6, 2018, a new bug was added to the official Mozilla Firefox browser bug tracker. A developer had noticed an issue with Mozilla's nightly build. The report noted that a 14-day weather forecast widget typically featured on a German website had all of a sudden broken and disappeared. Nothing...
A historical look at lowercase defaultstatus
1.4.2019
Browsers, thank heavens, take backward compatibility seriously.
Ancient websites generally work just fine on modern browsers. There is a way higher chance that a website is broken because of problems with hosting, missing or altered assets, or server changes than there is with changes in...
Differential Serving
1.4.2019
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
29.3.2019
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...
Creating a Reusable Pagination Component in Vue
29.3.2019
The idea behind most of web applications is to fetch data from the database and present it to the user in the best possible way. When we deal with data there are cases when the best possible way of presentation means creating a list.
Depending on the amount of data and its content, we may decide...
You probably don’t need input type=“number”
29.3.2019
Brad Frost wrote about a recent experience with a website that used <input type="number">:
Last week I got a call from my bank regarding a wire transfer I had just scheduled. The customer support guy had me repeat everything back to him because there seemed to be a problem with...