/*global console*/
/*jslint for */

var largest = sortAndGetLargest([99, 2, 43, 8, 0, 21, 12]);

function swap(arr, i, j) {
    var tmp = arr[i];
    arr[i] = arr[j];
    arr[j] = tmp;
}
function sortAndGetLargest(arr) {
    var tmp = arr[0]; // largest elem
    var i;
    var j;
    for (i = 0; i < arr.length; i += 1) {
        if (arr[i] > tmp) {
            tmp = arr[i];
        }
        for (j = i + 1; j < arr.length; j += 1) {
            if (arr[i] < arr[j]) {
                swap(arr, i, j);
            }
        }
    }
    return tmp;
}

console.log(largest); // should be 99, but prints 0