A rather geeky/technical weblog, est. 2001, by Bramus
AbortControllerIn How to Cancel Your Promise Seva Zaikov has done a nice writeup exploring several attempts on how to cancel promises. After also touching generators and async/await the conclusion is that you can’t actually cancel a promise with the techniques mentioned (you may introduce some workarounds to track the cancelled state yourself, yet that won’t …
Continue reading “Cancel a JavaScript Promise with AbortController“
Stuart Robson uses CSS Grid for what it’s meant to be used for: creating a grid. He evens creates a faux subgrid by leveraging calc() to define the two margin-columns. .container { grid-template-columns: [full-start] minmax(calc(calc(100% – 1008px) / 2), 1fr) [main-start] repeat(14, [col-start] 1fr) [main-end] minmax(calc(calc(100% – 1008px) / 2), 1fr) [full-end]; } Add in …
Earlier this week Parcel got dropped and it received quite some attention, because it tackles two important things when compared to other bundlers such as Webpack: The first reason I was motivated to build a new bundler was performance. I’ve worked on some pretty large apps with thousands of modules, and was always disappointed with …
Continue reading “Parcel: A blazing fast, zero configuration web application bundler”
From filmmaker Steven Spielberg comes the science fiction action adventure “Ready Player One,” based on Ernest Cline’s bestseller of the same name, which has become a worldwide phenomenon. The film is set in 2045, with the world on the brink of chaos and collapse. But the people have found salvation in the OASIS, an expansive …
setTimeout “other” argumentsWhen using setTimeout, it’s not needed to wrap a function with arguments into an anonymous function and call it from there. What you can do instead is pass the function in via its name (as you would do with a function that has no arguments), and pass in the arguments via the 3rd, 4th, 5th, …
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overscroll-behaviorContinue reading “Customizing Pull-to-Refresh and Overflow Effects with CSS’ overscroll-behavior“
Back in 2015 Paul Lewis published a brilliant article named FLIP your animations, a technique to getting smooth animations on the web. FLIP stands for First, Last, Invert, Play First: before anything happens, record the current (i.e., first) position and dimensions of the element that will transition. You can use element.getBoundingClientRect() for this, as will …
Continue reading “Implement FLIP transitions easily with flipping”
Matthias Nys, a former student of mine, has released his first pod NYSKeyboardHelper, a helper which resizes a scrollview so that it doesn’t go under the keyboard. Add a constraint to your project’s Storyboard and set NYSKeyboardHelper as the custom class, or add it programmatically: let keyboardConstraint = NYSKeyboardHelper(item: self.view, attribute: .bottom, relatedBy: .equal, toItem: …
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Kent C. Dodds – whom you should follow on Twitter – has released two massive video courses on Egghead. Course one touches React Fundamentals: This course is for React newbies and those looking to get a better understanding of React fundamentals. With a focus on React fundamentals, you’ll come out of this course knowing what …
Continue reading “Learn React Fundamentals and Advanced Patterns”