Math.sign()
ℹ️ Use to detect whether a number is positive, negative, or zero.
Math.sign() function returns the sign of the value, indicating whether a number is positive, negative, or zero. It the following values:1- for positive numbers-1- for negative numbers0- for positive zero-0- for negative zeroNaN- in all other cases
The argument passed to this function will be converted to
number type implicitly.Math.sign(3); //-> 1
Math.sign(Infinity); //-> 1
Math.sign(-Infinity); //-> -1
Math.sign(-1000); //-> -1
Math.sign(0); //-> 0
Math.sign(-0); //-> -0
Math.sign(NaN); //-> NaN
Math.sign('foo'); //-> NaN
Math.sign(); //-> NaN
Last modified 3yr ago