Can't understand the tests from Largest int from concateneted ints

JavaScript
1

Tell us what’s happening:

Hello
I’m sure the tests are wrong because they aren’t the max combination possible from these numbers.
Maybe I’m just tired and cant understand what I did wrong
See ya

Your code so far


const bubbleSort = (inputArr) => {
let len = inputArr.length;
for (let i = 0; i < len; i++) {
    for (let j = 0; j < len; j++) {
        if (inputArr[j] > inputArr[j + 1]) {
            let tmp = inputArr[j];
            inputArr[j] = inputArr[j + 1];
            inputArr[j + 1] = tmp;
        }
    }
}
return inputArr;
};
const maxCombine=(xs)=>{
let str = xs.join("");
let arr = []
for(let i=0;i<str.length;i++){
    arr.push(str[i])
}
let newArr = bubbleSort(arr);
return newArr.reverse().join("");
}

console.log(maxCombine([1, 34, 3, 98, 9, 76, 45, 4]));

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Challenge: Largest int from concatenated ints

Link to the challenge:

2

It looks like you’re splitting up all the integers into their digits and then sort them to form the largest number, which is not what the test wants. The individual numbers need to stay “intact”, so for example:

maxCombine([17, 2, 7]) should return 7217, not 7721