<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Intro</title>
</head>

<body>
    <div id="app">
    </div>

    <script>

        // Model
        let firstName = "...her kommer et navn";
        let place = "..her kommer et sted";
        let food = "...her kommer en matrett";
        // View
        updateView();
        function updateView() {
            let html = `
            <div class="group">
                <div>Hei jeg heter</div>
                <div id="namediv"> ${firstName}<br></div>
            </div>
            <div class="group">
                <div>Jeg bor i</div>
                <div id="placediv"> ${place}<br></div>
            </div>
    <div class="group">
        <div>Min favorittmat er</div>
        <div id="fooddiv"> ${food}<br></div>
    </div>

    <button onclick="setFields()">Klikk her for å sett inn verdier</button>
    Navn: <input type="text" onchange="setName(this.value)">
    Sted: <input type="text" onchange="setPlace(this.value)">
    Mat: <input type="text" onchange="setFood(this.value)">
            `;
            document.getElementById('app').innerHTML = html;
        }
        // Controller
        function setName(nameInput) {
            firstName = nameInput;
            updateView();
        }
        function setPlace(placeInput) {
            place = placeInput;
            updateView();
        }
        function setFood(foodInput) {
            food = foodInput;
            updateView();
        }
    </script>
    <style>
        .group {
            display: flex;
            padding: 3px;
        }
    </style>
</body>

</html>