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JavaScriptのスコープとクロージャをコンソールで確認する(Google Chrome)

More than 1 year has passed since last update.

Google Chromeのデベロッパーコンソールで
console.dir(<functionオブジェクト>)
と実行すると
closure.jpg
クロージャのスコープを確認できます。

もちろんアロー関数でも使えます。
closure2.jpg


コンソールでクロージャが見える!大発見だ!
と小躍りしながら記事を書き始めたわけですが、5年以上前に既にあったようです。
Chromeのコンソールで、クロージャーで使ってる変数が見えるようになってた

non_cal
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