Checks if the given value is equal to negative zero (-0
).
0
and if 1
divided by the value equals -Infinity
.const isNegativeZero = val => val === 0 && 1 / val === -Infinity;
isNegativeZero(-0); // true
isNegativeZero(0); // false
JavaScript, Math
Calculates the percentage of numbers in the given array that are less or equal to the given value.
JavaScript, Math
Checks if the given value is a number.
JavaScript, Math
Checks if the given number falls within the given range.