let arr1=[1,2,3];
let arr2=["a","b","c"];
let arr3=[4,5,6];
let arr4=["d","f","e"];
let res=[];
function first (ar1,ar2,ar3,ar4,res) {
for (var e1 of ar1){
let arCache = [];
arCache.push(e1);
for (var e2 of ar2){
arCache.push(e2);
for (var e3 of ar3 ){
arCache.push(e3);
for (var e4 of ar4){
arCache.push(e4);
res.push(arCache);
arCache.pop()
};arCache.pop();
};arCache.pop();
};arCache.pop();
}; return res;
};1
I want to create a program that takes item from the arrays and combine them. There should be 81 arrays inside the res array with every possible combinations.
when i called this function res array becomes an array with 162 empty arrays where did i make a mistake and how can i fix it?
