The lazy-loading property pattern in JavaScript

April 20, 2021 - You can defer computationally-expensive operations until needed using an accessor property.

Two approaches to win an argument as a software engineer

March 16, 2021 - Software engineers are identified with strong opinions. Here's how to get your point across effectively.

Introducing Env: a better way to read environment variables in JavaScript

February 16, 2021 - Reading environment variables in JavaScript is fraught with peril. Env makes it better.

Creating a JavaScript promise from scratch, Part 7: Unhandled rejection tracking

January 19, 2021 - Rejected promises without rejection handlers can hide important errors, which is why both Node.js and browsers have a way of tracking them.

Creating a JavaScript promise from scratch, Part 6: Promise.all() and Promise.allSettled()

December 16, 2020 - Promise.all() and Promise.allSettled() work on any number of promises to allow you to know when all of the promises have resolved

Creating a JavaScript promise from scratch, Part 5: Promise.race() and Promise.any()

November 24, 2020 - Promise.race() and Promise.any() work on any number of promises to allow you to know when certain ones have resolved

Creating a JavaScript promise from scratch, Part 4: Promise.resolve() and Promise.reject()

October 13, 2020 - Promises created with Promise.resolve() and Promise.reject() go through a different process than when created with a constructor.

Creating a JavaScript promise from scratch, Part 3: then(), catch(), and finally()

October 6, 2020 - Promise handlers are where all of the asynchronous actions happens and it helps to look at the internals to understand how they work.

Creating a JavaScript promise from scratch, Part 2: Resolving to a promise

September 29, 2020 - Resolving promises to non-thenables is easy; resolving promises to other promises requires a bit of work.

Creating a JavaScript promise from scratch, Part 1: Constructor

September 22, 2020 - Sometimes it's easier to understand complex concepts like promises by creating them yourself.