This is used to Sum of Array Elements
npm i bigsumofarray --save
Then...
import {bigsumofarray} from 'bigsumofarray'
var arry=[500001,4000003,7000002]
bigsumofarray(arry);
"type":"module"
Add strings,numbers and symbols
example:
var arry= ["hi", 1, 2, "frog"] or var arry=[500001,4000003,7000002] or var arry=["@","%","g",4]