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iOS 13 Broke the Classic Pure CSS Parallax Technique
27.11.2019
I know. You hate parallax. You know what we should hate more? When things that used to work on the web stop working without any clear warning or idea why.
Way back in 2014, Keith Clark blogged an exceptionally clever CSS trick where you essentially use a CSS transform to scale an element down...
Build your own React
20.11.2019
Wowza! Rodrigo Pombo’s article about how to build React from scratch is fantastic, not only because it’s well written, but because of the outstanding interaction design: each line in the code examples ge highlighted and explored in further detail as you scroll down the page.
This makes it super...
Collective #564
11.11.2019
GSAP 3 * React Conf 2019 * :is() selector * Paged.js * Day as a Dev * Scroll Snap in CSS
Collective #564 was written by Pedro Botelho and published on Codrops
Weekly Platform News: Web Apps in Galaxy Store, Tappable Stories, CSS Subgrid
8.11.2019
In this week's roundup: Firefox gains locksmith-like powers, Samsung's Galaxy Store starts supporting Progressive Web Apps, CSS Subgrid is shipping in Firefox 70, and a new study confirms that users prefer to tap into content rather than scroll through it.
Let's get into the news.
Securely...
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>
...
Moving Text on a Curved Path
9.8.2019
There was a fun article in The New York Times the other day describing the fancy way Elizabeth Warren and her staff let people take a selfie with Warren. But... the pictures aren't actually selfies because they are taken by someone else. The article has his hilarious line of text that wiggles by...
Collective #534
22.7.2019
Gradient Magic * Locomotive Scroll * Stein * Gatsby Themes * ImportDoc * TabNine * Sidelist
Collective #534 was written by Pedro Botelho and published on Codrops
Weekly Platform News: CSS Scroll Snap, Opera GX, PWA Install Icon
14.6.2019
In this week's roundup, Chrome is adding an install option for Progressive Web Apps, Opera GX comes to Windows, the ECMAScript proposals get an update, and CSS Scroll Snap is coming to a Firefox browser near you.
The post Weekly Platform News: CSS Scroll Snap, Opera GX, PWA Install Icon appeared...
The Easiest Way To Create Parallax Scrolling With simpleParallax
5.6.2019
A quick tutorial on how to create eye-catching parallax scroll animations using a modern JS library
Prevent Page Scrolling When a Modal is Open
3.6.2019
Please stop me if you've heard this one before. You open a modal, scroll through it, close it, and wind up somewhere else on the page than you were when you opened the modal.
That's because modals are elements on a page just like any other. It may stay in place (assuming that's what it's meant...
Implementing a Scroll Based Animation with JavaScript
24.5.2019
There is a kind of animations that has not stopped increasing its presence in the most modern and original websites: the animations based on the scroll event of Javascript.
This trend
10 Days of React Challenges (Beginner): Show an Alert Based on an Input
10.5.2019
Events make the core of interactivity in JavaScript, from listening to form inputs, scroll events to button clicks. The knowledge of handling events in JavaScript is essential.
CodeP
10 React Challenges (Beginner): Show an Alert Based on an Input
10.5.2019
Events make the core of interactivity in JavaScript, from listening to form inputs, scroll events to button clicks. The knowledge of handling events in JavaScript is essential.
CodeP
Get a CSS Custom Property Value with JavaScript
11.4.2019
Here’s a neat trick from Andy Bell where he uses CSS Custom Properties to check if a particular CSS feature is supported by using JavaScript.
Basically, he's using the ability CSS has to check for browser support on a particular property, setting a custom property that returns a value of either...
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...
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...
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...
How to Create Smooth WebGL Transitions on Scroll using Phenomenon
22.3.2019
A tutorial on how to transition WebGL instances in a smooth way based on the scroll position using three.js and Phenomenon.
How to Create Smooth WebGL Transitions on Scroll using Phenomenon was written by Colin van Eenige and published on Codrops
Smooth Scrolling for Screencasts
13.3.2019
Let's say you wanted to scroll a web page from top to bottom programmatically. For example, you're recording a screencast and want a nice full-page scroll. You probably can't scroll it yourself because it'll be all uneven and jerky. Native JavaScript can do smooth scrolling. Here's a tiny snippet...
Downsides of Smooth Scrolling
11.3.2019
Smooth scrolling has gotten a lot easier. If you want it all the time on your page, and you are happy letting the browser deal with the duration for you, it's a single line of CSS:
html {
scroll-behavior: smooth;
}
I tried this on version 17 of this site, and it was the second most-hated thing...