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

  1. 1
    Let's Bring Back JavaScript's `With()` Statement
    3 people · 16 points · first shared 2023 · 11 comments on HN
  2. 2
  3. 3
    DNS Resolution Adds Up
    1 people · 4 points · first shared 2025 · discussion on HN
  4. 4
    Modern JavaScript Module Loading in the Browser
    1 people · 3 points · first shared 2019 · discussion on HN
  5. 5
  6. 6
  7. 7
    Elegant Memoization with Ruby’s .tap Method
    1 people · 2 points · first shared 2023 · discussion on HN
  8. 8
    I think the ergonomics of generators is growing on me.
    1 people · 2 points · first shared 2025 · discussion on HN
  9. 9
    Your Cache Headers Could Probably be More Aggressive
    1 people · 2 points · first shared 2023 · discussion on HN
  10. 10
    You’ve Got Options for Removing Event Listeners
    1 people · 2 points · first shared 2023 · discussion on HN
  11. 11
    Short-Lived, Tick-Bound Memoization in JavaScript
    1 people · 2 points · first shared 2025 · discussion on HN
  12. 12
  13. 13
    Options for Preloading Images with JavaScript
    1 people · 1 points · first shared 2026 · discussion on HN
  14. 14
    There Are a Lot of Ways to Hide Stuff in the Browser
    1 people · 1 points · first shared 2023 · discussion on HN
  15. 15
    For the Sake of Your Event Listeners, Use Web Workers
    1 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.

Keyboard shortcuts

/Search
j kNext / previous blog
EnterOpen selected blog
vVisit the blog site
fFollow / unfollow
lSwitch grid / list view
dSwitch dark mode
g hHome
g pTop posts
g tTopics
g fFollowing
g lLiked
g yHistory
g qFAQ
EscBack / close