x && !Array.isArray(x) && typeof x === 'object'. its typical to start off with `... | Hacker News

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Fckd on Oct 12, 2021 | parent | context | favorite | on: Tricks I wish I knew when I learned TypeScript

x && !Array.isArray(x) && typeof x === 'object'.

its typical to start off with `var &&` to avoid operations on null & undefined values

Fckd on Oct 12, 2021 [–]

For environment lacks Array.isArray method i think this works well

!!(x && x.__proto__ === [].__proto__)

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