Scan or Enter your Smart Health Card (such as the ones that California is now issuing) details, and this will display the encoded contents. This is processed completely in your web browser, no information is sent to me or anyone else. (more…)

Learn to code an NFT (non-fungible token) using the Ethereum blockchain, the Ropsten Testnet, and a series of JavaScript libraries. (more…)

The Date class in JavaScript has a notoriously difficult API. It was inherited from Java… (more…)

A closure is the combination of a function bundled together (enclosed) with references to its surrounding state (the lexical environment). In other words, a closure gives you access to an outer function’s scope from an inner function. In JavaScript, closu... (more…)

I have always wanted to run a game development workshop, and some weeks ago, thanks to AdaJS in Barcelona, I finally got my chance. ... (more…)