Testing — vitest / jest / playwright, Test Doubles, Fake Timers
MidProfessionalpriority 1Sandbox & Project
This is the Sprint-1 stub for ai.careerplane.technology.react-developer.javascript.testing-vitest.
The fully-generated topic page (sandbox + quiz + AI hints + interactive
tooling) lands in Sprint-2 at
static/content/technology/React Developer (Frontend)/JavaScript/Testing — vitest / jest / playwright, Test Doubles, Fake Timers/index.html
(per arch/memo.md → D-2026-04-22-13). The
//go:embed all:static directive auto-serves it on the next
container rebuild — no server-code change needed.
What this topic teaches
JavaScript skills for the
React Developer (Frontend) career path.