CareerPlane topic stub · v1 portal

Promises & async/await — Error Propagation, Sequencing, Race Conditions

Junior Professional priority 1 Sandbox & Simulation
This is the Sprint-1 stub for ai.careerplane.technology.react-developer.javascript.promises-async. The fully-generated topic page (sandbox + quiz + AI hints + interactive tooling) lands in Sprint-2 at static/content/technology/React Developer (Frontend)/JavaScript/Promises & async/await — Error Propagation, Sequencing, Race Conditions/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.

javascriptpromiseasyncawaitraceerror-handling

You should already know

Closures & this — Arrow vs Function, bind/call/apply, Event Handlers

Next up

fetch & AbortController — Timeouts, Retries, Streaming, Cancellation

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