Show sourcecode

The following files exists in this folder. Click to view.

public_html/gamla-kurser/webbutv2/övningar/js_timers/

js_timers_a.html
js_timers_b.html
js_timers_c.html
js_timers_d.html
js_timers_e.html
js_timers_f.html
js_timers_g.html
js_timers_h.html
js_timers_i.html
js_timers_j.html
sound/

`js_timers_c.html`

38 lines ASCII Windows (CRLF)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38


<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>JS Timers C</title>

</head>

<body>

<h1>JS Timers C</h1>

<button onclick="toggleTimer()" id="startButton">Start</button>

<h2 id="timer">Stoppur: 0.00 sekunder.</h2>

<h2 id="text"></h2>



<script>

    let timer = document.getElementById("timer");

    let text = document.getElementById("text");

    let button = document.getElementById("startButton");

    let count = 0;

    let active = false;

    let intervalId;



    function myTimer() {

        count++;

        timer.innerHTML = "Stoppur: " + (count / 100).toFixed(2) + " sekunder.";

    }



    function toggleTimer() {

        if (active) {

            clearInterval(intervalId);

            button.innerHTML = "Start";

        } else {

            intervalId = setInterval(myTimer, 10);

            button.innerHTML = "Stop";

        }

        active = !active;

    }

</script>

</body>

</html>