How to display a “new version available” for a Progressive Web App

Dean Hume: I’ve built a number of Progressive Web Apps that simply update the service worker silently for the user in the background, but I really like the approach where you get a popup notification that suggests that there is a new version of the site available like Google’s Inbox provides – especially for an […]

JavaScript asyncawait: Resolving Promises in parallel

Recently I saw a colleague implement some functionality in which he required two results from an API using async–await. The piece of code looked something like this: The code looks fine, is syntactically correct, and works … but there’s one big problem with it: the calls are made sequentially. To run these calls – which […]

Implementing Web Push Notifications

Alexander Zlatkov from SessionStack on how to implement Web Push Notifications: There are three general steps to implementing a push: The UI — adding the necessary client-side logic to subscribe a user to a push. This is the JavaScript logic that your web app UI needs in order to enable the user to register himself to push […]

yett – A small webpage library to control the execution of (third party) scripts like analytics

In order to provide GDPR compliant consent-first-analytics (and other stuff), you can use yett: Blocking execution of analytics script (until consent is given) can be done manually, but the problem is that analytics providers often provide minified code embeds that you have to include in your html as they are. If you want to exercise […]

RE: The React is “just” JavaScript Myth

🗣 This was originally posted as a reply over at Dave’s blog. Unfortunately Disqus – the commenting system Dave uses – thinks it’s spam, so I’m posting it here as a full post instead. In his blogpost The React is “just” JavaScript Myth, Dave Rupert said this: React shows up on the scene with Babel, […]

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 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 […]

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); […]