js判断一个数组是否包含另一个数组
const a = [1, 2, 3, 4, 5, 6, 7, 8] const b = [5, 5, 1, 2] const c = [3, 9] // 判断arr1是否包含arr2 const isInclude = (arr1, arr2) => arr2.every((val) => arr1.includes(val)) console.log(isInclude(a, b)) // true console.log(isInclude(a, c)) // false