JavaScript : Is it better to return `undefined` or `null` from a javascript function?

JavaScript : Is it better to return `undefined` or `null` from a javascript function?

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When Should You Use `null` Instead Of `undefined` In JavaScript? - JavaScript Toolkit
When Should You Use `null` Instead Of `undefined` In JavaScript? - JavaScript Toolkit
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When Should You Use `null` Instead Of `undefined` In JavaScript? - JavaScript Toolkit

When Should You Use `null` Instead Of `undefined` In JavaScript? - JavaScript Toolkit
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What native JavaScript functions/methods/properties/operators can return null? undefined?
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Javascript null data type explained | JS for Beginners Ep. 14