Chaser Code Test

ObjArrayFunctions

function orderByRanking(objArray) {
  return objArray.sort((a,b) => (a.ranking > b.ranking) ? 1 : ((b.ranking > a.ranking) ? -1 : 0)); 
}

function avarageRanking(objArray){
  return objArray.reduce((total, next) => total + next.ranking, 0) / objArray.length;
}