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What does "number" mean in programming?
number 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
In JavaScript and TypeScript, 'number' is the single numeric type for both integers and floating-point values. It uses 64-bit IEEE 754 double precision under the hood.
Example
"const age: number = 30; // integers and decimals both use 'number'"
Related terms
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