Answers for "combine records from 2 different arrays in one array avascript"

merge array no duiplicates js

let array1 = ['a','b','c'];
let array2 = ['c','c','d','e'];
let array3 = array1.concat(array2);
array3 = [...new Set([...array1,...array2])]; // O(n)

Posted by: Guest on December-04-2020

how to get different values from two arrays js

let difference = arr1
                 .filter(x => !arr2.includes(x))
                 .concat(arr2.filter(x => !arr1.includes(x)));

Posted by: Guest on March-09-2021

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