ExecutionContext

ByteDance ADFE Team

Aug 25, 2021 · Fundamentals

Understanding V8 JavaScript Engine: Scopes, Execution Contexts, and Runtime Process

This article explains how the V8 engine parses JavaScript source code into an AST, establishes scope rules, creates isolates, handle scopes and contexts, and manages the execution context stack during interpretation and execution, illustrated with detailed code examples and diagrams.