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[软技能]
The text was updated successfully, but these errors were encountered:
在 JavaScript 中,每个函数都有自己的作用域。作用域基本上是变量以及如何通过名称访问这些变量的规则的集合。只有函数中的代码才能访问函数作用域内的变量。 同一个作用域中的变量名必须是唯一的。一个作用域可以嵌套在另一个作用域内。如果一个作用域嵌套在另一个作用域内,最内部作用域内的代码可以访问另一个作用域的变量。
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[软技能]
The text was updated successfully, but these errors were encountered: