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Nalezeno "element()": 323

Multi-Million Dollar HTML

30.9.2019
Two stories: Jason Grigsby finds Chipotle's online ordering form makes use of an input-masking technique that chops up a credit card expiration year making it invalid and thus denying the order. If pattern="\d\d" maxlength="2" was used instead (native browser feature), the browser is smart enough...

An Explanation of How the Intersection Observer Watches

24.9.2019
There have been several excellent articles exploring how to use this API, including choices from authors such as Phil Hawksworth, Preethi, and Mateusz Rybczonek, just to name a few. But I’m aiming to do something a bit different here. I had an opportunity earlier in the year to present the VueJS...

Two Browsers Walked Into a Scrollbar

18.9.2019
Surprise: scrollbars are complicated, especially cross-browser and cross-platform. Sometimes they take up space and sometimes they don't. Sometimes that is affected by a setting and sometimes it isn't. Sometimes you can see them and sometimes you can't unless you're actually scrolling. Styling...

Various Methods for Expanding a Box While Preserving the Border Radius

6.9.2019
I've recently noticed an interesting change on CodePen: on hovering the pens on the homepage, there's a rectangle with rounded corners expanding in the back. Expanding box effect on the CodePen homepage. Being the curious creature that I am, I had to check how this works! Turns out, the rectangle...

Need to scroll to the top of the page?

2.9.2019
Perhaps the easiest way to offer that to the user is a link that targets an ID on the <html> element. So like... <html id="top"> <body> <!-- the entire document --> <a href="#top">Jump to top of page</a> ...

Working with Attributes on DOM Elements

30.8.2019
The DOM is just a little weird about some things, and the way you deal with attributes is no exception. There are a number of ways to deal with the attributes on elements. By attributes, I mean things like the id in <div id="cool"></div>. Sometimes you need to set them. Sometimes...

Nested Gradients with background-clip

28.8.2019
I can't say I use background-clip all that often. I'd wager it's hardly ever used in day-to-day CSS work. But I was reminded of it in a post by Stefan Judis, which consistently was itself a learning-response post to a post over here by Ana Tudor. Here's a quick explanation. You've probably seen...

Creating a Maintainable Icon System with Sass

28.8.2019
One of my favorite ways of adding icons to a site is by including them as data URL background images to pseudo-elements (e.g. ::after) in my CSS. This technique offers several advantages: They don't require any additional HTTP requests other than the CSS file. Using the background-size property...

Bounce Element Around Viewport in CSS

19.8.2019
Let's say you were gonna bounce an element all around a screen, sorta like an old school screensaver or Pong or something. You'd probably be tracking the X location of the element, increasing or decreasing it in a time loop and — when the element reached the maximum or minimum value —...

Staggered CSS Transitions

14.8.2019
Let's say you wanted to move an element on :hover for a fun visual effect. @media (hover: hover) { .list--item { transition: 0.1s; transform: translateY(10px); } .list--item:hover, .list--item:focus { transform: translateY(0); } } Cool cool. But what if you had several list...

PR: Remco – Powerful Distributed Token Generating Platform

12.8.2019
remittancetoken.io – Token-Generating Platform for Money Transfer currently trading on Digifinex has announced it's sponsoring blockchain Finance Lagos conference event in Africa's largest market, Nigeria. Offering free flight ticket and accommodation to the qualified speakers. The post PR: Remco...

A More Accessible Portals Demo

31.7.2019
The point of the <portal> element (behind a flag in Chrome Canary) is that you can preload another whole page (like <iframe>), but then have APIs to animate it to the current page. So "Single Page App"-like functionality (SPA), but natively. I think that's pretty cool. I'm a fan...

Datalist is for suggesting values without enforcing values

26.7.2019
Have you ever had a form that needed to accept a short, arbitrary bit of text? Like a name or whatever. That's exactly what <input type="text"> is for. There are lots of different input types (and modes!), and picking the right one is a great idea. But this little story is about something...

Don’t comma-separate :focus-within if you need deep browser support

24.7.2019
I really like :focus-within. It's a super useful selector that allows you to essentially select a parent element when any of its children are in focus. Say you wanted to reveal some extra stuff when a <div> is hovered... div:hover { .extra-stuff { /* reveal it */ } } That's...

CSS :not() with Multiple Classes

22.7.2019
Say you want to select an element when it doesn't have a certain class. That's what the :not() selector is for. body:not(.home) { } But what if there are multiple classes you want to avoid? There are no logical combinators with :not(), like and or or, but you can chain them, which...

CSS Animation Libraries

22.7.2019
There are an awful lot of libraries that want to help you animate things on the web. These aren't really libraries that help you with the syntax or the technology of animations, but rather are grab-and-use as-is libraries. Want to apply a class like "animate-flip-up" and watch an element, uhhh...

Improving Video Accessibility with WebVTT

17.7.2019
"The power of the Web is in its universality. Access by everyone regardless of disability is an essential aspect." - Tim Berners-Lee Accessibility is an important element of web development, and with the ever-growing prevalence of video content, the necessity for captioned content is growing...

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