6 JavaScript test-functions: ok(), not(), x(), fails(), type(), eq()... (more…)

The Map object holds key-value pairs and remembers the original insertion order of the keys. Any value (both objects and primitive values)… (more…)

Learning modern JavaScript is tough if you haven’t been there since the beginning. (more…)

Why so negative zero? JavaScript has two zeroes and they‘re both the same and different. (more…)

… until I failed a technical interview I thought I aced! (more…)