function chunkArrayInGroups(arr, size) {
// Break it up.
var multiArr = [];
var betaArray = [];
betaArray.push(arr[0]);
for ( var i = 1; i<arr.length;i++ ){
if ( i % size === 0 ){
multiArr.push(betaArray);
betaArray.length = 0;
}
betaArray.push(arr[i]);
}
if ( betaArray.length !== 0 )
multiArr.push(betaArray);
console.log(multiArr); return multiArr;
}
chunkArrayInGroups(["a", "b", "c", "d"], 2);
So why with console.log i get "c","d","c","d"
This challange: https://www.freecodecamp.com/challenges/chunky-monkey