function to get Average and another to return object sorted on based on ranking

test.js

function getAverage(object)
{
for (const index of object) {
sum+=index.ranking;
}
return sum/object.length;
}

function sortBasedOnRanking(object)
{
 for(var key in object){
        if(obj.hasOwnProperty(key)){
            keys.push(key);
        }
    }
keys.sort();
var len = keys.length();
for(i=0;i<len;i++){
sortkey=keys[i];
console.log(object[sortkey]);
}
}