approximatelyEqual javascript Code Snippet in 2025
mathbeginner
Last Updated: 20 October 2025
Checks if two numbers are approximately equal to each other.
- Use
Math.abs()to compare the absolute difference of the two values toepsilon. - Omit the third argument,
epsilon, to use a default value of0.001.
const approximatelyEqual = (v1, v2, epsilon = 0.001) => Math.abs(v1 - v2) < epsilon;
approximatelyEqual(Math.PI / 2.0, 1.5708); // true
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