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  1. A-tak (atak@mstdn.a-tak.com)'s status on Tuesday, 25-Dec-2018 21:09:41 JST A-tak A-tak

    == nullを使ってundefinedと nullを両方ともチェックすることを推奨します。

    Null vs. Undefined - TypeScript Deep Dive 日本語版
    https://typescript-jp.gitbook.io/deep-dive/recap/null-undefined

    こんなことも知らんかったわ

    In conversation Tuesday, 25-Dec-2018 21:09:41 JST from mstdn.a-tak.com permalink

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