A rather geeky/technical weblog, est. 2001, by Bramus
For his post How to Map Mouse Position in CSS on CSS-Tricks, Amit Sheen created this lovely demo: The demo does use CSS Custom Properties for the X/Y position of the mouse, but they’re not injected using JavaScript. Instead, Amit uses the same technique as used in CSS-Only Direction Aware Hover: capture the hover on …
While looking at a package.json from a public project from PayPal, Alex Birsan noticed that it held some references to private NPM packages used internally by PayPal. Birsan noticed some of the manifest file packages were not present on the public npm repository but were instead PayPal’s privately created npm packages, used and stored internally …
Jake and Surma tackle the age-old problem: what should you include in an image’s alt text?
Jonathan Yeong tried out Snowpack and is equally excited as I am about it. Related: 🙋♂️ If you’re looking for a detailed step-by-step post on Snowpack, check out Learn Snowpack: A High-Performance Frontend Build Tool to get you started.
The folks at Voorhoede share how they integrated the actions/cache@v2 build step into their GitHub Workflow so that it caches npm install results. Super fast npm install on Github Actions → Related: By Shallow + Single Branch Cloning you can speed up the git clone step of your build pipeline. The actions/checkout@v2 build step already …
Nolan Lawson, on how we might focus too much on JavaScript bundle size: Performance is a multi-faceted thing. It would be great if we could reduce it down to a single metric such as bundle size, but if you really want to cover all the bases, there are a lot of different angles to consider. …
Continue reading “JavaScript performance beyond bundle size”
Jodah Adkins from Stamen Design: For the past year and a half, it’s been our privilege to work on one of our largest and most ambitious undertakings ever: collaborating closely with a team of Facebook engineers, designers, and data experts to roll out a global, multi-scale base map for all of Facebook’s billions of users. …
::before and ::after Pseudo-Elements
React.memo()
Dan Abramov shares 2 techniques to try before resorting to optimize with React.memo() In this post, I want to share two different techniques. They’re surprisingly basic, which is why people rarely realize they improve rendering performance. These techniques are complementary to what you already know! They don’t replace memo or useMemo, but they’re often good …
At first sight the new visual identity for the San Francisco Symphony (pictured below, on the right) looks a bit off … Those letters sure look a bit oddly sized, no? Turns out there’s a dynamic drive behind them: Leveraging new creative technology including variable font design, our new visual language (of which the logo …
Continue reading “SYMPHOSIZER – Playing with SF Symphony’s new Visual Identity”