test.js

function sumOfTwo(a, b, v) {
    "strict mode"
    const aSorted = a.sort((a, b) => a - b)
    const bSorted = b.sort((a, b) => a - b)
    
    for(var i = 0; i < aSorted.length; i++) {
        for(var j = 0; j < bSorted.length; j++) {
            if(aSorted[i] + bSorted[j] === v) {
                return true
            }
        }
    }
    return false
}