Clamp number

OSCC · JavaScript, Math · Oct 22, 2020

Clamps num within the inclusive range specified by the boundary values a and b.

  • If num falls within the range, return num.
  • Otherwise, return the nearest number in the range.
const clampNumber = (num, a, b) =>
  Math.max(Math.min(num, Math.max(a, b)), Math.min(a, b));
clampNumber(2, 3, 5); // 3
clampNumber(1, -1, -5); // -1

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