javascript negative number code example

Example 1: how to turn a number negative in javascript

-Math.abs(num); // "-" before Math.abs()

Example 2: makes number negative javascript

Math.abs(num) => Always positive
-Math.abs(num) => Always negative

Example 3: javascript negative infinity

// Using this will gives lowest possible starting point.
// It is useful when initiating a variable that will be compared against negative numbers.
Number.NEGATIVE_INFINITY // Or,
-INFINITY

// The opposite is INFINITY. The largest possible starting point.
Number.POSITIVE_INFINITE // Or,
INFINITY