Get maximum multiple of all possible values in array of integers

get-maximum-from-array-of-ints.js

// get maximum multiple of all possible values in array of integers

// [1, 2 , 5 , 0, 100] 500

let arr = [-300, -10, 1, 2 , 5 , 0, 100, 99]
// let arr = [-3000, -10, 1, 2 , 5 , 0, 100, 99]
// let arr = [-3000, 10, 1, 2 , 5 , 0, 100, 99]


function getHighestMultiple(arr) {
    console.log(arr)
    let higha = 0
    let highb = 0
    let lowa = 0
    let lowb = 0
    for (let i in arr) {
        if (arr[i] > higha) {
            highb = higha
            higha = arr[i]
        }
        if (arr[i] > highb && arr[i] != higha) {
            highb = arr[i]
        }

        if (arr[i] < lowa) {
            lowb = lowa
            lowa = arr[i]
        }
        if (arr[i] < lowb && arr[i] != lowa) {
            lowb = arr[i]
        }
        // console.log("Higha: " + higha)
        // console.log("Highb: " + highb)
        // console.log("Lowa: " + lowa)
        // console.log("Lowb: " + lowb)
    }
    let pos = (higha * highb)
    let neg = (lowa * lowb)
    if (pos > neg) {
        return "Max: " + pos
    } else {
        return "Max: " + neg
    }
}

console.log(getHighestMultiple(arr))