배열로 쪼개기

let becomeTwoArray = function(array){

 

let result = [];

for(let i = 1 ; i<array.length ; i = i+2){

result.push([array[i-1],array[i]]);

}

if(array.length % 2 ===1){

result.push([array[array.length-1]]);

}

return result;

}