Amazon optimizing box weight

minimalHeaviestSetA.js

function minimalHeaviestSetA(arr) {
    let result = [];
    const sum = (arr) => arr.reduce((acc, curr) => acc + curr, 0);
    const sortedArr = [...arr].sort((x, y) => x - y > 0 ? -1 : 1);
    const n = sortedArr.length;
    const target = sum(arr) / 2
    for(let i = 0; i < n; i++) {
        if(sum(result) > target) {
            break
        }
        result[i] = sortedArr[i];
    }
    return result.reverse();
}