JavaScript .size

BrandonDusch's avatar
BrandonDusch's avatar
BrandonDusch
Published Jun 16, 2022Updated Oct 8, 2022
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The .size property returns the number of entries in a Map object.

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Syntax

set.size;

No parameters are needed for the .size property.

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  • Career path
    Front-End Engineer
    Front-end engineers work closely with designers to make websites beautiful, functional, and fast.
    • Includes 34 Courses
    • With Professional Certification
    • Beginner Friendly.
      115 hours
  • Free course
    Learn JavaScript
    Learn how to use JavaScript — a powerful and flexible programming language for adding website interactivity.
    • Beginner Friendly.
      15 hours