Side-channel attacking browsers through CSS3 features

Ruslan Habalov and Dario Weißer found a way to read contents from an iframe, using CSS3: Accessing the DOM of an iframe that includes a cross-origin resource is forbidden by default. However, the content of the iframe was displayed in the same context as the rest of the site so we wanted to verify if …

Awesome Talks

Great site developed by Sara Vieira (@NikkitaFTW): Awesome Talks is an awesome list of tech talks to watch that is constantly updated by the community and is a great way to find an interesting talk to watch during downtime. The talks are categorised, and one can submit talks themselves (if they’re on YouTube that is). …

What’s next for JavaScript? – A talk on ESNext by @bramus

I’m currently in Utrecht for Frontend United and have just finished my talk ”What’s next for JavaScript?”. Earlier this week I also gave a shortened version of this lecture at JSConf.be With ES2015 a lot has changed in JavaScript-land. Lesser known releases are the ES2016 and ES2017 releases. This talk not only touches these two …

React Native Parallax Scroll Header with Tabs

Nice writeup on how to create a typical screen where there’s a header image that fades out and disappears as you start scrolling. Essentially, everything but the header is put into a scrollview. In order to keep elements ‘fixed’ (i.e. the tab bar), I use the transform property with a translateY that is set to …

Demystifying the future of CSS with sparkles of JS

At the recent JSConf.be conference here in Belgium, Ibe Vanmeenen gave a very nice talk introducing Houdini. CSS as a language is at the brink of a great revolution. Once such a closed and magical language, it will open up to you and your creativity in all it's glory. CSS will become an easy to …

Unicode Patterns with <css-doodle />

<css-doodle /> is a web component for drawing patterns with CSS. The component will generate a grid of divs by the rules (plain CSS) inside it. You can easily manipulate those cells using CSS to come up with a graphic pattern or an animated graph. The limit is the limit of CSS itself. Combine <css-doodle …

Pure CSS Francine – An 18th-Century Oil Painting Recreated with HTML and CSS

Handcrafted recreation of an 18th-century oil painting using just HTML and CSS. Here’s an analysis of it using the Chrome DevTools, as recorded by Paul Irish: Chrome only though: Because of the artistic nature of this project I have not concerned myself with cross-browser-compatibility, so the live preview will most likely look laughable in anything …

Destructuring arrays in PHP: Practical examples

Being more focussed on JavaScript nowadays, I kinda forgot that it’s possible to destructure arrays in PHP ever since the release of PHP 7.1. Frank de Jonge provides us with some practical examples such as this simple one: // JavaScript let options = {enabled: true, compression: ‘gzip’}; let { enabled, compression } = options; console.log(enabled); …