The first time I ever encountered a regular expression was many years ago now, but I still remember my first thoughts on it: What is this string-like thing? I don’t want to touch it, it looks scary. I ...

With its first class functions, JavaScript doesn't really need lambdas, but it has them and they are useful. Find out the mysteries of the lambda in Jem 11. Lambda expressions sound advanced and ...

Regular expressions can seem complex but the biggest reason for this is that most programmers don't take them seriously enough. Spend just a little time finding out how they work and you can do ...

Love it or loathe it, JSX has made a big impact on front-end engineering. Here's a code-first intro to the HTML-based JavaScript templating language. JSX is a way to write HTML inside of JavaScript, ...

We’ll start with the most far-reaching addition, which the spec describes as “a new Iterator global with associated static and prototype methods for working with iterators.” The most exciting part of ...