intger2array.js

process.stdin.resume();
process.stdin.setEncoding('utf8');
// Here your code !

integer2array = function(int){
    
    var ary = [];
    
    while(int !== 0){
        ary.push(int % 10);
        int = Math.floor(int / 10);
    }
    
    return ary.reverse();
}

array2integer = function(ary){
    
    var int = 0;
    var len = ary.length - 1;
    
    for(var idx = 0; idx <= len ; idx++){
        int += ary[idx] * Math.pow(10,len-idx);
    }
    
    return int;
}

// == main ==
console.log(integer2array(1234));
// => [1, 2, 3, 4]
console.log(array2integer([2,3,5]));
// => 235