SoccerProject players rating average

let ratings = Array.from(document.getElementsByTagName("tr")).filter(a => a.id.startsWith("id")).map(a => parseInt(a.children[8].children[0].children[0].alt));
let avg_rating = Math.round((ratings.reduce((s, e) => s + e) / ratings.length + Number.EPSILON) * 100) / 100;
console.log(avg_rating);