In this post, we develop a JavaScript technique to position and scale a background image so that the subject matter is optimally placed at a target area of the browser viewport, no matter the device orientation or window size. (more…)

It all started last week. 3 different React learners encountered 3 different obstacles trying to use setState() in their projects. I mentor new React users a lot, and consult with teams making… (more…)

stimulus - A modest JavaScript framework that works with the HTML you already have... (more…)

Exports a global variable called "luxon". Use it like this... (more…)

Thou shalt not depend on me: analysing the use of outdated JavaScript libraries on the web Lauinger et al., NDSS 2017 Just based on the paper title alone, if you had to guess what the situation is … (more…)