Cheat Sheet
| Question | Core Idea | Senior Signal |
|---|---|---|
| Q111 | async/await | async returns a promise; await resumes through promise microtasks. |
| Q112 | Scheduling | A task runs, microtasks drain, then the browser may render. |
| Q113 | Modules | ES modules are static and live-bound; dynamic imports support code splitting. |
| Q114-Q115 | Metaprogramming and memory | Proxy intercepts operations; WeakMap associates data without keeping object keys alive. |