abs
The absolute value of a number.
Math.abs(-5);
When you want to know how much a number is without its sign (+/-). The absolute value of -5 is 5 and the the absolute value 5 is also 5. The absolute value is sometimes called the magnitude.
Parameters
- x: The number to return the absolute value for. This can be a negative number (
-1
), positive number (6
), or0
.
Returns
- a number that is the absolute value of number in
x
.
Example
Find the absolute value of -34
. Do some checks to make sure the absolute value is really 34
. Set the value to 0
if the checks fail.
let pos = Math.abs(-34);
if (pos > 0) {
if (pos != 34) {
pos = 0;
}
} else {
pos = 0;
}