Without further due, this is my problem: The created table is basically a form that takes a number in a loop and it calculates that number squared and factorial of it. I have managed to do that successfully but next problem Im encountering is I need to add sum of elements at the bottom of the table for all three columns. Much appreciated.
<script>
function tablica() {
var nr = document.getElementById("broj").value
if (nr < 2) {
document.getElementById("rezultat").innerHTML = "Prilagođeno samo za rad s brojevima većim od 1";
window.alert("Unijeli ste broj " + broj.value + ", a taj broj je manji od 2...");
} else if (nr >= 2) {
var rez = "<table id='tablica'><tr><th>N</th><th>N²</th><th>N!</th></tr>";
var faktorijela = 1;
}
for (var i = 1; i <= nr; i++) {
rez = rez + "<tr><td>" + i + "</td><td>" + i * i + "</td><td>" + (faktorijela = faktorijela * i) + "</td></tr>";
}
rez = rez + "</table>"
var rezTablica = document.getElementById("rezultat");
rezTablica.innerHTML = rez;
}
</script>
I have created variables sum1, sum2 and sum3 to store each column's sum.
Please see snippet below :
function tablica() {
var sum1 = 0, sum2 = 0, sum3 = 0;
var nr = document.getElementById("broj").value
if (nr < 2) {
document.getElementById("rezultat").innerHTML = "Prilagođeno samo za rad s brojevima većim od 1";
window.alert("Unijeli ste broj " + broj.value + ", a taj broj je manji od 2...");
} else if (nr >= 2) {
var rez = "<table id='tablica'><tr><th>N</th><th>N²</th><th>N!</th></tr>";
var faktorijela = 1;
}
for (var i = 1; i <= nr; i++) {
let val1 = i;
let val2 = i * i;
let val3 = (faktorijela = faktorijela * i);
rez = rez + "<tr><td>" + val1 + "</td><td>" + val2 + "</td><td>" + val3 + "</td></tr>";
sum1 = sum1 + val1;
sum2 = sum2 + val2;
sum3 = sum3 + val3;
}
rez = rez + "<tr><td>" + sum1 + "</td><td>" + sum2 + "</td><td>" + sum3 + "</td></tr>";
rez = rez + "</table>"
var rezTablica = document.getElementById("rezultat");
rezTablica.innerHTML = rez;
}<input id="broj" type="text">
<button onclick="tablica()">Test</button>
<div id="rezultat">
</div>