📅 最后修改于: 2022-03-11 14:49:13.255000 🧑 作者: Mango
代码示例2
let array = [11, 12, 13, 14, 15];
console.log(array.length); // 5
array.length = 3;
console.log(array.length); // 3
console.log(array); // [11,12,13]
array.length = 0;
console.log(array.length); // 0
console.log(array); // []