# nested function

[JS](https://lochiwei.gitbook.io/web/js) ⟩ [value](https://lochiwei.gitbook.io/web/js/val) ⟩ [function](https://lochiwei.gitbook.io/web/js/val/func) ⟩ nested function

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a [..](https://lochiwei.gitbook.io/web/js/val/func "mention") is called "<mark style="color:purple;">**nested**</mark>" when it is created <mark style="color:yellow;">**inside**</mark> another function.
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* a [closure](https://lochiwei.gitbook.io/web/js/val/func/closure "mention") is usually a [nested](https://lochiwei.gitbook.io/web/js/val/func/kind/nested "mention").
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* [ ] JS.info ⟩ [Nested functions](https://javascript.info/closure#nested-functions)
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