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Nalezeno "Input": 150

React.isValidElement

14.12.2020
Knowing what input type you’ve received is hugely important in JavaScript, which is a big reason for Flow and TypeScript’s rise. One such case where it’s useful to know what an object represents is if the input is a string or a React element. To detect if an object is a React...

Happier HTML5 form validation in Vue

3.12.2020
It’s kind of neat that we can do input:invalid {} in CSS to style an input when it’s in an invalid state. Yet, used exactly like that, the UX is pretty bad. Say you have <input type="text" required>. That’s immediately invalid before the user has done anything....

How to Add Text in Borders Using Basic HTML Elements

1.12.2020
Some HTML elements come with preset designs, like the inconveniently small squares of <input type="checkbox"> elements, the limited-color bars of <meter> elements, and the “something about them bothers me” arrows of the <details> elements. We can style them to match...

A Complete State Machine Made With HTML Checkboxes and CSS

27.11.2020
State machines are typically expressed on the web in JavaScript and often through the popular XState library. But the concept of a state machine is adaptable to just about any language, including, amazingly, HTML and CSS. In this article, we’re going to do exactly that. I recently built a website...

Exploring What the Details and Summary Elements Can Do

26.11.2020
We’ve mentioned before just how great the <details> and <summary> elements are. They’re great for quickly making accordions that are accessible to touch, mouse, and keyboard input: CodePen Embed Fallback <details> and <summary> can even be used to play/pause gifs!...

The Core Web Vitals hype train

24.11.2020
Some baby bear thinking from Katie Sylor-Miller: my excitement for Core Web Vitals is tempered with a healthy skepticism. I’m not yet convinced that Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS) are the right metrics that all sites should...

Focus management and inert

19.10.2020
Many forms of assistive technology use keyboard navigation to understand and take action on screen content. One way of navigating is via the Tab key. You may already be familiar with this way of navigating if you use it to quickly jump from input to input on a form without having to reach for your...

How to Prevent Pasting into an Input

19.10.2020
Every once in a while I get to a website that doesn’t allow me to paste into a form input. In most cases it’s something to do with login credentials (username and or password) and auth codes. So how are they preventing me from pasting information? It’s as easy as you’d...

Styling Complex Labels

5.10.2020
Danielle Romo covers the HTML pattern you need when you have a wordy <label> with fancy styling for an <input type="radio">. The trick? The ol’ <span class="hidden-visually"> that contains the label that you want to be read, and a <span aria-hidden="true"> with...

Remove the Search Input Clear(x) Icon

21.9.2020
I really appreciate the amount of different <input> elements we’ve received over the past decade. These elements don’t just bring a new semantic advantage, but also provide UI helpers, which in many cases are useful. In a recent case, I found a UI element not useful: the x (clear)...

Interaction Media Features and Their Potential (for Incorrect Assumptions)

14.9.2020
The Media Queries Level 4 Interaction Media Features — pointer, hover, any-pointer and any-hover — are meant to allow sites to implement different styles and functionality (either CSS-specific interactivity like :hover, or JavaScript behaviors, when queried using window.matchMedia), depending...

Supercharging Number Inputs

4.9.2020
Speaking of number scrubbing (i.e. adding mouse UX to number inputs), you can also add better keyboard commands to number inputs. Kilian Valkhof explains how he added up and down arrows to a number input, as well as modifier keys to change how much the keys increment the value, like Emmet does....

Number Scrubbing

29.8.2020
If you use <input type="number">, some browsers give you an input that has UI for incrementing the number, like up/down arrows (often called “spinners”). That’s a bit helpful sometimes. But people have certainly explored fancier ways of updating that number....

Match Accented Letters with Regular Expressions

6.8.2020
Regular expressions are used for a variety of tasks but the one I see most often is input validation. Names, dates, numbers…we tend to use regular expressions for everything, even when we probably shouldn’t. The most common syntax for checking alphabetic characters is A-z but what...

Let’s Make a Multi-Thumb Slider That Calculates The Width Between Thumbs

23.6.2020
HTML has an <input type="range">, which is, you could argue, the simplest type of proportion slider. Wherever the thumb of that slider ends up could represent a proportion of whatever is before and whatever is after it (using the value and max attributes). Getting fancier, it’s possible...

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