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What does "null" mean in programming?
null is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
A special value meaning 'no value' or 'empty'. In many languages null represents the intentional absence of an object value. In TypeScript, null and undefined are distinct types.
Example
"let user: User | null = null; // null means no user is loaded yet"
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