问节点XOR两个不等大小数组未定义XOR的行为

EN

let ar1 = new Uint8Array([1,2,3,4])
let ar2 = new Uint8Array([1,2,3,4,5,6,7,8])
for (var i = 0; i < 8; i++) {
    console.log(ar1[i] ^ ar2[i]);
}

0
0
0
0
5
6
7
8

private static xorArrays(array1: Uint8Array, array2: Uint8Array): Uint8Array 
{
    let length = array1.length > array2.length ? array1.length : array2.length;
    let result = new Uint8Array(length);
    for (let i = 0; i < length; i++) {
        result[i] = array1[i] ^ array2[i];
    }
    return result;
}