判断数组array1是否包含array2
private arr1IncludesArr2() {let array1 = [1, 2, 3, 4, 5];let array2 = [1, 2, 3, 4, 5, 6, 7];return array2 .every((el) => array1 .includes(el)); // 完全包含return true, 否则返回false}
时间:2021-04-10 10:19:53
判断数组array1是否包含array2
private arr1IncludesArr2() {let array1 = [1, 2, 3, 4, 5];let array2 = [1, 2, 3, 4, 5, 6, 7];return array2 .every((el) => array1 .includes(el)); // 完全包含return true, 否则返回false}