JS 判断一个数组是否包含另一个数组

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
	}