Let’s look at a question first: Given two arrays, write a function to calculate their intersection. First of all, when we get this question, we can basically think of it immediately. This question can ...

This function returns a new array with the intersection of all arrays that you provide to it. An intersection refers to all the values that are present in all of the provided arrays. The function also ...

function intersection(nums1, nums2) { let map = new Map(); let result = []; for (let i = 0; i < nums1.length; i++) map.set(nums1[i], true); for (let i = 0; i < nums2 ...