Cheat Sheet: Null/False Comparisons

Posted Apr 4, 2025 | ~1 minute read

This is a quick cheat sheet demonstrating some common nullish comparisons in JavaScript.

(null < 1) === true

(false < 1) === true

(null <= 1) === true

(false <= 1) === true

(null > 1) === false

(false > 1) === false

(null >= 1) === false

(false >= 1) === false

(null == 1) === false

(false == 1) === false

(null === 1) === false

(false === 1) === false

(null < 0) === false

(false < 0) === false

(null <= 0) === true

(false <= 0) === true

(null > 0) === false

(false > 0) === false

(null >= 0) === true

(false >= 0) === true

(null == 0) === false

(false == 0) === true

(null === 0) === false

(false === 0) === false

(null < -1) === false

(false < -1) === false

(null <= -1) === false

(false <= -1) === false

(null > -1) === true

(false > -1) === true

(null >= -1) === true

(false >= -1) === true

(null == -1) === false

(false == -1) === false

(null === -1) === false

(false === -1) === false