Array and size problem
JavaScript
function chunk(array, size){
let chunked = [];
for(let element of array){
const last = chunked[chunked.length-1];
if(!last || last.length === size){
chunked.push([element]);
}else{
last.push(element);
}
}
console.log('last chunked:',chunked);
}
chunk([1,5,4,6,7,8,9],3)