My Voice, My Space

A small set of technical posts in English, translated/adapted from the main (Korean) blog. Read the full blog in Korean →

Latest posts

NewFrontend CSS

A Practical Guide to the CSS :has() Selector: Selecting Parents Without JavaScript

Cards that highlight when checked, forms that react as a whole to a bad input, star ratings that fill the stars before the one you hover. Things that used to need JavaScript, done with a single CSS :has() rule, with interactive examples.

2026.10.0810 min read

Frontend HTML

Things HTML Can Do Without JavaScript: Stop Building Everything Out of divs

Accordions, popovers, modals, autocomplete, form validation, and lazy-loaded images. A guide to the features you get from plain HTML tags and attributes, no library required. Less code, and accessibility comes for free.

2026.10.0813 min read

Concepts JavaScript Node.js

The JavaScript Event Loop Explained: How Microtasks and Macrotasks Are Ordered

Why does Promise.then run before setTimeout(0)? A walkthrough of the call stack, task queue, and microtask queue with runnable examples, plus how browsers and Node.js differ and how to keep long work from freezing the UI.

2026.10.0810 min read

Frontend HTML

Writing Meaningful HTML: 7 Semantic HTML Mistakes Almost Everyone Makes

They look identical on screen, but a div button, an input without a label, or a heading picked by font size look completely different to keyboard users, screen readers, and search engines. Common semantic HTML mistakes and how to fix them, with examples you can try.

2026.10.0813 min read

Blog Nuxt Content Vercel

Nuxt Content v3 queryCollection() Returns Empty on Vercel (But Works Locally)

A production-only bug where queryCollection("blog").all() silently returns an empty array on Vercel while the exact same build works fine locally — caused by @nuxt/content 3.0.0 predating the Vercel /tmp SQLite fix.

2026.10.079 min read

Frontend Nuxt

Nuxt 3 useAsyncData Caching Bug: Why Every Post Shows the Same Content

Clicking a second blog post still renders the first one's data — a walkthrough of useAsyncData's default key-based caching and the one-line fix (a dynamic key).

2026.10.077 min read

Frontend Nuxt Vue TanStack Query

Why Your Vue Query Data Doesn't Show Up in Nuxt 3 (the ref unwrapping trap)

Data logs fine in the console but never renders — a walkthrough of why v-if and v-for don't auto-unwrap refs returned by @tanstack/vue-query, and how to fix it.

2026.10.076 min read