29 lines
867 B
JavaScript
29 lines
867 B
JavaScript
var counter = 1;
|
|
|
|
function newliner(){
|
|
counter += 1;
|
|
var child = document.getElementById("sample");
|
|
child = child.cloneNode(true);
|
|
child.id = "";
|
|
child.children[0].textContent = counter;
|
|
child.children[1].children[0].value = "";
|
|
child.children[2].children[0].value = "";
|
|
child.children[3].children[0].value = 0;
|
|
document.getElementById("MainTable").appendChild(child);
|
|
updateaverage();
|
|
}
|
|
|
|
function updateaverage(){
|
|
var marks = Array.from(document.getElementsByClassName("marks"));
|
|
var avg = 0;
|
|
for(var i = 0; i < marks.length; i++){
|
|
if(Number(marks[i].value) == 0){
|
|
avg += 1
|
|
}else{
|
|
avg += Number(marks[i].value);
|
|
}
|
|
}
|
|
avg = Math.floor((avg * 100) / marks.length);
|
|
avg = avg / 100;
|
|
document.getElementById("average").textContent = `Az átlag: ${avg}`;
|
|
} |