This content originally appeared on DEV Community and was authored by RajeshKumarYadav.com
What is union of Arrays?
Union of arrays would represent a new array combining all elements of the input arrays, without repetition of elements.
let arrOne = [10,15,22,80];
let arrTwo = [5,10,11,22,70,90];
// Union of Arrays
let arrUnion = [...new Set([...arrOne, ...arrTwo])];
console.log(arrUnion);
What is intersection of Arrays?
The intersection of two arrays is a list of distinct numbers which are present in both the arrays. The numbers in the intersection can be in any order.
let arrOne = [10,15,22,80];
let arrTwo = [5,10,11,22,70,90];
// Intersection of Arrays
let arrIntersection = arrOne.filter((v) =>{
return arrTwo.includes(v);
});
console.log(arrIntersection);
Demo -
This content originally appeared on DEV Community and was authored by RajeshKumarYadav.com
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