http://akz.pwr.wroc.pl/katalog_zap.html

zapisy-akz.js

var list= document.getElementsByClassName("gradeX");
for (var i = 0; i < list.length; i++) {
	var innerList = list[i].getElementsByClassName("center")
	for (var j = 0; j < innerList.length; j++){
		var avaiableSeats = innerList[0].innerText
		var rowElements = list[i].getElementsByTagName("td")
		var course = rowElements[0].innerText
		if(avaiableSeats > 0 && course === "JZL100473C"){
			var code = rowElements[1].innerText
			var time = rowElements[3].innerText
			console.log(code, time)
		}
		
	}
    
}