maximal sequence

findMaxSequence([2, 1, 1, 2, 3, 3, 2, 2, 2, 1]);
findMaxSequence(['happy']);
findMaxSequence([2, 'qwe', 'qwe', 3, 3, '3']);

function findMaxSequence(arr){
    if(arr.length == 1){
        return console.log("[ '" + arr[0] + "' ]")
    }

    var currentCount = 1;
    var currentElement = "";
    var lastCount = 0;
    var result = "";

    for(var i = 1; i < arr.length; i++){
        if(arr[i] === arr[i - 1]) {
            currentCount++;
        } else {
            currentCount = 0;

        }

        if(lastCount <= currentCount) {
            lastCount = currentCount;
            currentElement = arr[i];
        }
    }

    for(var i = 0; i <= lastCount; i++){
        result += currentElement + ", ";
    }

    return console.log("[ " + result + "]");
}