Compute Absolute Number

function difference(a, b) {
  return Math.abs(a - b);
}

console.log(difference(3, 5));
// expected output: 2

console.log(difference(5, 3));
// expected output: 2

console.log(difference(1.23456, 7.89012));
// expected output: 6.6555599999999995

Math.abs('-1');     // 1
Math.abs(-2);       // 2
Math.abs(null);     // 0
Math.abs('');       // 0
Math.abs([]);       // 0
Math.abs([2]);      // 2
Math.abs([1,2]);    // NaN
Math.abs({});       // NaN
Math.abs('string'); // NaN
Math.abs();         // NaN

package main

import (
	"fmt"
	"math"
)

func main() {
	x := math.Abs(-2)
	fmt.Printf("%.1f\n", x)

	y := math.Abs(2)
	fmt.Printf("%.1f\n", y)
}