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本文深度剖析了 ECMAScript 规范中函数对象的实例化算法。内容系统性地阐述了普通函数 (Ordinary Function) 与箭头函数 (Arrow Function) 的创建流程，详细拆解了 OrdinaryFunctionCreate 和 MakeConstructor 等核心抽象操作，并揭示了这些底层机制如何决定函数的词法环境、this 绑定模式以及作为构造函数的能力。
Function
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