const arr = [1, 2, 3, 4];
const arr2 = [1,2];
const callback = (x) => {
console.log(x);
}
const foreach = (a, b) => {
for(let i = 0; i < a.length; i++){
b(a[i]);
}
}
foreach(arr, callback);
const arr = [1, 2, 3, 4];
const arr2 = [1,2];
const callback = (x) => {
console.log(x);
}
const foreach2 = (a, b) => {
a.forEach(b);
}
foreach(arr, callback);
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