The rule cursor and central slide can be positioned using a mouse. Fine adjustment can be achieved using the keyboard left and right arrow buttons. The keyboard keys move the cursor or slide depending upon which had last been cl... (more…)

I didn't much care for vanilla JavaScript prior to ES6. Through all of the 2000s, I chased different approaches to avoid writing too much of it. First there was RJS (Ruby-to-JavaScript). Then there was CoffeeScript. Both transpiling approaches that turned... (more…)

Imagine scope as a semitransparent bag with names of variables and functions. While in the bag you can see what is outside but nobody can look into your bag. (more…)

Without using any digits, letters or the identifier characters $ and _, how short can we write numbers in plain JavaScript? Basics There are four ways to write the number 0 using only three...

A FinalizationRegistry object lets you request a callback when an object is garbage-collected. (more…)