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  1. MDN Web Docs Glossary: Definitions of Web-related terms
  2. Number
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Number

In JavaScript, Number is a numeric data type in the double-precision 64-bit floating point format (IEEE 754). In other programming languages different numeric types exist; for example, Integers, Floats, Doubles, or Bignums.

Learn more

General knowledge

  • Numeric types on Wikipedia

Technical reference

  • The JavaScript data structure: Number
  • The JavaScript global object Number

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Last modified: Jan 27, 2021, by MDN contributors

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