JS - How to determine if a variable is either undefined or null

Опубликовано: 20 Декабрь 2023
на канале: 〈DevTools /〉

Use a concise JavaScript code snippet to check if a variable is either undefined or null.
The isUndefinedOrNull function returns true if the variable is either undefined or null, and false otherwise.
This helps in handling scenarios where you want to determine if a variable is not assigned a value.

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