Hacker Rank - pairSum v2

hr-pairSum-v2.js

function pairSum(data, target) {
    let sumMatchesTarget;

    data.forEach((currentNumber, index) => {
        if (sumMatchesTarget) { return; }

        const dataFiltered = removeCurrentIndex(data, index);

        sumMatchesTarget = dataFiltered.some(nextNumber => {
            const sum = (currentNumber + nextNumber);

            return sum === target;
        })
    })

    return sumMatchesTarget;
}

function removeCurrentIndex(data, index) {
    return data.filter((_, i) => i !== index);
}