isNegativeZero javascript Code Snippet in 2025
mathintermediate
Last Updated: 31 October 2025
Checks if the given value is equal to negative zero (-0).
- Check whether a passed value is equal to
0and if1divided by the value equals-Infinity.
const isNegativeZero = val => val === 0 && 1 / val === -Infinity;
isNegativeZero(-0); // true
isNegativeZero(0); // falsejavascript snippet similar to isNegativeZero For You in November 2025
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