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yumetodo/js_scope.png

Last active September 15, 2017 11:47
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js_scope.svg
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js_scope.uiflow
[現在のスコープに変数xがある？]
---
No
==> 外側にスコープがある
Yes
==> 変数xを返す
[外側にスコープがある]
---
Yes
==> ひとつ外側のスコープに移動
No
==> ReferenceErrorが発生
[ひとつ外側のスコープに移動]
==> 現在のスコープに変数xがある？
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