javascript combine two array elements from different arrays code example
Example 1: javascript array concat spread operator
const arr1 = [1,2,3]
const arr2 = [4,5,6]
const arr3 = [...arr1, ...arr2] //arr3 ==> [1,2,3,4,5,6]
Example 2: javascript concat two arrays
//ES6
const array3 = [...array1, ...array2];