Merge two arrays with alternating Values

Question

i would like to merge 2 arrays with a different length:

let array2 = [\"a\", \"b\", \"c\", \"d\"];
let array2 = [1, 2];

let outcome = [\"a\",1 ,\"b\", 2, \"         


        

Answer 1

ONELINER: I assume that x=array1, y=array2, x and y can be arbitrary arr

[...x,...y].reduce((l,c,i)=>(i

working example (for 3 cases)