Skip to content
TILens What matters today in tech v0.3.0
Theme

Topic - Edition

React

8 items on 29 Oct 2026
JavaScript React

I wrote MobX from scratch in 150 lines. Here's every bug I hit

I'm preparing for senior React Native interviews, and one kind of task keeps showing up: "write your own state manager". Redux is the usual target. I picked MobX instead, because I've used it for years and realized I…

Source: DEV JavaScript feed Bogdan Umaniuk
JavaScript React

AI Writes Half Our Code Now. Nobody Taught Us How to Review It.

AI wrote this function. It passed linting. It got approved. It shipped. async function getUsers(ids) { const users = []; ids.forEach(async (id) => { const res = await fetch(`/api/users/${id}`); users.push(await…

Source: DEV JavaScript feed JavaScript Mastery