const numbers = [1, 2, 3]
numbers[10] = 11
console.log(numbers)- A:
[1, 2, 3, 7 x null, 11] - B:
[1, 2, 3, 11] - C:
[1, 2, 3, 7 x empty, 11] - D:
SyntaxError
参考答案
const numbers = [1, 2, 3]
numbers[10] = 11
console.log(numbers)[1, 2, 3, 7 x null, 11][1, 2, 3, 11][1, 2, 3, 7 x empty, 11]SyntaxError参考答案