<!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>
<div id="app"></div>
<script>
//model
let timeAndDate = new Date();
let date = new Date(timeAndDate)
// view
updateView();
function updateView() {
document.getElementById('app').innerHTML = /*HTML*/ `
<h1>
${date.toLocaleDateString()}
</h1>
<button onclick="addDay()">+ 1 dag</button>
<button onclick="addDay()">- 1 dag</button>
<button onclick="addDay()">+ 1 time</button>
<button onclick="addDay()">- 1 time</button>
`;
}
// controller
function addDay(){
let date = new Date(timeAndDate);
let millis = date.getTime();
millis += 1000 * 60 * 60 * 24;
timeAndDate = new Date(millis).toISOString();
updateView();
}
</script>
</body>
</html>