Blog

My technical notes on JavaScript, React, and day-to-day frontend work—practical tips, common pitfalls, and patterns that worked in real projects.

• 2026-04-28

  NaN is still a number in JavaScript

  A quick reminder that NaN is a sentinel numeric value, not a separate type.

• 2026-04-27

  JavaScript falsy values and Boolean casting

  Falsy values are predictable, but wrapping values in strings can change your Boolean result.

• 2026-04-26

  for...in loops include inherited properties

  Use for...in carefully: it iterates enumerable keys from both the object and its prototype chain.

• 2026-04-01

  A modern frontend toolkit (without the kitchen sink)

  How Hozira thinks about picking libraries when the goal is a site that stays easy to own.

• 2026-03-12

  React state: when local state is enough

  A short note on lifting state, server cache, and global stores.