🔰running execution context

🚧 施工中

JS ⟩ concept ⟩ execution context ⟩ running execution context

At any point in time, there is at most one execution context that is actually executing code. This is known as the running execution context.

📘 JS spec ⟩ 8.2 Execution Contexts

⭐️ 重點

A stack (call stack) is used to track execution context(s). The running execution context is always the top element of this stack.

👥 相關

• lexical environment is part of execution context.

📗 參考

• Anil ⟩ Scope, Lexical Environment and Scope Chain in JavaScript ⭐️

📘 手冊

• JS spec ⟩

  • Execution Contexts

  • running execution context

🚧

• call stack

• running execution context