When is a click not a click? For a web developer working on a complex user interface, that's not an abstract philosophical question. If you're implementing custom mouse input behavior, it's crucial to keep user intent in mind. If a user clicks on a link with their mouse's middle button…

Pop quiz: what’s the purpose of the third parameter passed to addEventListener()? Don’t be embarrassed if you thought that addEventListener() only took two parameters, or perhaps just always hardcode a value of false, with a vague understanding that it has something to do with… bubbles? The third parameter has historically…

Background Service workers give web developers the ability to respond to network requests made by their web applications, allowing them to continue working even while offline, fight lie-fi, and implement complex cache interactions like stale-while-revalidate. But service workers have historically been tied to a specific origin — as the owner of…

tl;dr If you’d like to turn the output of create-react-app into a progressive web app (PWA) with offline support, take a look at the create-react-pwa repo, and in particular, the GitHub diff of the minimal changes required. create-react-app… create-react-app solves a problem that many folks (including I) have run into: how can…