Variable scope, closure
javascript.info
If a variable is declared inside a code block {...}, it’s only visible inside that block. Visually, let i is outside of {...}. But the for construct is special here: the variable, declared inside it, is considered a part of the block. A function is called “nested” when it is created inside another f
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- If a variable is declared inside a code block {...}, it’s only visible inside that block.
- Visually, let i is outside of {...}. But the for construct is special here: the variable, declared inside it, is considered a part of the block.
- A function is called “nested” when it is created inside another function.
- The Lexical Environment object consists of two parts:
- (unlike let, that is unusable till the declaration).
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