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Null and undefined - learn about the difference between null and undefined in javascript...
The difference between null and undefined is: JavaScript will never set anything to null, that's usually what we do
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Check the differences between null and undefined in Java Script in one click Slightly unintuitive behavior around null and undefined JS values for 'clamp' #1931 Null and undefined check in javascript

This article will explore the differences and similarities between null and undefined in JavaScript
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in this fourth part of the javascript for beginners series i will be covering over undefined and null data types including their similarities and differences.
null and undefined are both are used to represent the absence of some value.. b is undefined and uninitialized.. typescript tutorial: null and undefined types. the primitive values null and undefined have a distinct difference that should be used.

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All of this is great, but what about a practical difference between null and undefined Another thing to note is that when comparing null and undefined they are equal using a loose equality check

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Null and undefined in JavaScript