HackerEarth- Counting digits in a given number

number = 543657913652798658354;
str = number.toString();
// Create a "counter" array with 10 elements that has in position 0 the number of '0's, in position 1 the '1's, .....
counter = [];
for(let i=0; i<10; i++){
    counter.push(0);
}
for(let i=0; i<str.length; i++){
    num = parseInt(str[i]);
    counter[num] += 1;
}
// Display in screen
for(let i=0; i<counter.length; i++){
    console.log("Number of '"+ i +"'s in number " + number + ": " + counter[i]);
}