<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=<device-width>, initial-scale=1.0">
<title>Document</title>
</head>
<body>
Poeng <span id="points"></span><br>
<button onclick="addPoints()">Klikk her</button>
<button onclick="upgrade()">Oppgrader</button>
<button onclick="reset()">Reset</button>
<script>
let points = 0;
let upgrades = 1;
function addPoints() {
points += upgrades;
document.getElementById('points').innerHTML = points;
};
function upgrade() {
if (points >= 10) {
upgrades++;
points -= 10;
document.getElementById('points').innerHTML = points;
}
}
function reset() {
points = 0;
upgrades = 1;
}
</script>
</body>
</html>