Średnia ocena wszystkich kursów

JSOS.md

Count your average courses mark

1. Open JSOS website and go to the "Indeks" page https://jsos.pwr.edu.pl/index.php/student/indeksOceny/oceny/1.
2. Click "Pobierz więcej..."
3. Open Developer Console and insert this script:

const [sumMark, ects] = [...document.getElementsByTagName('tr')]
  .filter(e => e.classList.contains('data'))
  .map(e => [parseInt(e.children[7].innerHTML), parseFloat(e.children[5].innerHTML) || 3])
  .filter(e => e[1] > 2)
  .reduce((a, [ec, mk]) => [a[0] + ec*mk, a[1] + ec], [0, 0]);
console.log(sumMark / ects);

3. The result is your average mark for all courses.