575-Distribute_Candies.html

<html>
<script>
var distributeCandies = function(candies) {
    let kinds = {};
    for (let i = 0; i < candies.length; i++) {
        if(typeof kinds[candies[i]] === "undefined"){
            kinds[candies[i]] = 1;
        }else{
            kinds[candies[i]]++;
        }
    }
    return Object.keys(kinds).length > candies.length/2 ? candies.length/2 : Object.keys(kinds).length;
};
console.log(distributeCandies([1,1,2,3]));

</script>
</html>