// arr1:数组 arr2:重复
function remove(arr1, arr2) {
for (let i = 0; i < arr2.length; i++) {
for (let j = 0; j < arr1.length; j++) {
if (arr2[i] == arr1[j]) {
let indexs = arr1.indexOf(arr1[j]);
arr1.splice(indexs, 1);
}
}
}
return arr1
}
let arr1 = [1, 2, 3, 45, 9, 6, 12, 8, 23, 78, 90];
let arr2 = [9, 12, 23];
//调用:
const arr = remove(arr1, arr2)
console.log(arr)