Tag
ecmascript
- Jul 18, 2026 The Microtask Checkpoint and How Promise Jobs Actually Run The mechanics behind promise callbacks: when the job queue drains, how await lowers to a reaction, and why a thenable resolution costs extra turns. web platform
- Aug 5, 2024 Execution Contexts, Environment Records, and What a Closure Keeps Alive How identifier resolution walks a chain of environment records, why the per-iteration binding of let changes closure behaviour, and which storage a closure pins in memory. web platform