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Update article.md - fix syntax

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Fix syntax
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fibretothepremises 2021-02-25 09:48:46 +11:00 • committed by GitHub
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1-js/06-advanced-functions/06-function-object/article.md
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@ -326,7 +326,7 @@ welcome(); // Hello, Guest (nested call works)
Now it works, because the name `"func"` is function-local. It is not taken from outside (and not visible there). The specification guarantees that it will always reference the current function.
The outer code still has it's variable `sayHi` or `welcome`. And `func` is an "internal function name", how the function can call itself internally.
The outer code still has its variable `sayHi` or `welcome`. And `func` is an "internal function name", how the function can call itself internally.
```smart header="There's no such thing for Function Declaration"
The "internal name" feature described here is only available for Function Expressions, not for Function Declarations. For Function Declarations, there is no syntax for adding an "internal" name.