### isNegativeZero Checks if the given value is a negative zero `-0`. Checks whether a passed value is equal to `0` and if one devided by the value equals `-Infinity`. ```js const isNegativeZero = val => val === 0 && 1 / val === -Infinity; ``` ```js isNegativeZero(-0); // true isNegativeZero(0); // false ```