The enchanted electrical website of Dr. Sinclair

What’s the difference between ordinary functions and arrow functions in JavaScript?

Written by James Sinclair 29th June 2025 Arrow functions (also known as ‘rocket’ functions) are concise and convenient. However, they have subtle differences compared to function declarations and function expressions.

Is it better to be a good person, or religious?

Written by James Sinclair 27th June 2024 A friend of mine asked this question the other day. “Is it better to be a good person, or religious?” The question turned out to be more thought-provoking than expected. Not because I was stumped. Rather, my first reaction was: “This question doesn’t make sense.” Those aren’t categories a Christian tends to think in.

How to compose JavaScript functions that take multiple parameters (the epic guide)?

Written by James Sinclair 10th June 2024 Function composition is beautiful. It lets us create elegant function pipelines. And when everything lines up, the data flows like maple syrup over pancakes.

How to consume a paginated API using JavaScript async generators?

Written by James Sinclair 26th June 2023 Generators can be powerful tools for efficient data processing. But things get a bit tricky when we add asynchronous calls into the mix. Asynchronous generators, however, come to the rescue by handling scenarios involving promises. They come in handy for a variety of real-world scenarios. And one of those came up recently.

What’s so great about functional programming anyway?

Written by James Sinclair 14th November 2022 To hear some people talk about functional programming, you’d think they’d joined some kind of cult. They prattle on about how it’s changed the way they think about code. They’ll extol the benefits of purity, at length. And proclaim that they are now able to “reason about their code”—as if all other code is irrational and incomprehensible.