Alex MacArthur
macarthur.me · Personal blog · on HN since 2019
Alex MacArthur writes about JavaScript and TypeScript techniques, including task scheduling, module loading, generators, and DNS resolution costs.
What HN saysHN links it for practical JavaScript and TypeScript posts; the given comments offer no opinion on it.
15HN people shared it
0linked it in comments
21stories submitted
50story points
7 months agolast shared
2019people per year2026
Most-shared posts
- 1Let's Bring Back JavaScript's `With()` Statement3 people · 16 points · first shared 2023 · 11 comments on HN
- 2There are a lot of ways to break up long tasks in JavaScript2 people · 6 points · first shared 2025 · discussion on HN
- 3DNS Resolution Adds Up1 people · 4 points · first shared 2025 · discussion on HN
- 4Modern JavaScript Module Loading in the Browser1 people · 3 points · first shared 2019 · discussion on HN
- 5Using sibling parameters as default values in JavaScript functions1 people · 3 points · first shared 2024 · discussion on HN
- 6I didn't know you could compose template literal types in TypeScript1 people · 2 points · first shared 2025 · discussion on HN
- 7Elegant Memoization with Ruby’s .tap Method1 people · 2 points · first shared 2023 · discussion on HN
- 8I think the ergonomics of generators is growing on me.1 people · 2 points · first shared 2025 · discussion on HN
- 9Your Cache Headers Could Probably be More Aggressive1 people · 2 points · first shared 2023 · discussion on HN
- 10You’ve Got Options for Removing Event Listeners1 people · 2 points · first shared 2023 · discussion on HN
- 11Short-Lived, Tick-Bound Memoization in JavaScript1 people · 2 points · first shared 2025 · discussion on HN
- 12Why I Like Using Maps (and WeakMaps) for Handling DOM Nodes1 people · 1 points · first shared 2023 · discussion on HN
- 13Options for Preloading Images with JavaScript1 people · 1 points · first shared 2026 · discussion on HN
- 14There Are a Lot of Ways to Hide Stuff in the Browser1 people · 1 points · first shared 2023 · discussion on HN
- 15For the Sake of Your Event Listeners, Use Web Workers1 people · 1 points · first shared 2019 · discussion on HN
What HN people wrote when they linked it
No comments link here; HN found it through submissions.