javascript get negative of number code example
Example 1: convert negative number to positive in javascript
Math.abs("the negative number")
Example 2: makes number negative javascript
Math.abs(num) => Always positive
-Math.abs(num) => Always negative
Example 3: check if number is negative javascript
const positive = 5;
const negative = -5;
const zero = 0;
Math.sign(positive);
Math.sign(negative);
Math.sign(zero);
Example 4: check if number is negative javascript
Math.sign() has 5 possible return values:
1
-1
0
-0
NaN
Example 5: javascript convert minus to plus
var posNum = (num < 0) ? num * -1 : num;