A closure is not really a thing. It is just a term we use to describe what happens when we have a function that has access to outside variables other functions cannot access. (more…)

The other week a paper was released that reported that about 37% of sites included at least one JavaScript library with a known vulnerability. We ran our own test and discovered that the reality is much worse—76.6% of sites were using at least one vulnera... (more…)

JavaScript is one of the most popular programming languages. In this post, we're highlighting some tools and libraries every JS developer should master. (more…)

superstruct - A simple and composable way to validate data in Javascript. (more…)

SpitScript - A rap vocabulary that transpiles to JavaScript. (more…)