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Title: 浅谈作用域链查找机制。 · Issue #21 · CodeRookie262/JavaScript-Algorithm-Training · GitHub

Open Graph Title: 浅谈作用域链查找机制。 · Issue #21 · CodeRookie262/JavaScript-Algorithm-Training

X Title: 浅谈作用域链查找机制。 · Issue #21 · CodeRookie262/JavaScript-Algorithm-Training

Description: 当我们要访问或者设置一个变量时，发现在当前作用域并未声明该变量却可以正常操作，有的时候却会报错，这些都和作用域链查找机制有关，作用域链是怎么回事呢，它又是如何进行查找的呢？

Open Graph Description: 当我们要访问或者设置一个变量时，发现在当前作用域并未声明该变量却可以正常操作，有的时候却会报错，这些都和作用域链查找机制有关，作用域链是怎么回事呢，它又是如何进行查找的呢？

X Description: 当我们要访问或者设置一个变量时，发现在当前作用域并未声明该变量却可以正常操作，有的时候却会报错，这些都和作用域链查找机制有关，作用域链是怎么回事呢，它又是如何进行查找的呢？

Opengraph URL: https://github.com/CodeRookie262/JavaScript-Algorithm-Training/issues/21

X: @github

direct link

Domain: github.com

Hey, it has json ld scripts: 
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