Brute Force - Iterative way to solve Pascal (passed all tests)

gistfile1.txt

/**
 * @param {number} numRows
 * @return {number[][]}
 */
var generate = function(numRows) {
    if (numRows === 0) {
        return [];
    }
    if (numRows === 1) {
        return [[1]];
    }
    var ans = [[1], [1,1]];

    for (var row = 2; row < numRows; row++){
        ans[row] = [1];
        for (var col = 1; col < row; col++){
            ans[row][col] = ans[row-1][col] + ans[row-1][col-1];
            ans[row].push(1);
        }
    }
    return ans;
};