Myjavascript1/while.html at main · GinTama12/Myjavascript1 · GitHub

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">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <h1>while循环语句</h1>
    <p id="demo"></p>
    <button onclick="myfunction()">运行while循环</button>
    <script>
        function myfunction() {
            const demoElement = document.getElementById("demo");
            demoElement.innerHTML = "";
            let i = 0;
            while (i < 10) {
                demoElement.innerHTML += i + " ";
                i++;
            }
        }
    </script>
    <h2>do while循环语句</h2>
    <p id="demo1"></p>
    <button onclick="myfunction1()">运行do while循环</button>
    <script>
        function myfunction1() {
            const demoElement = document.getElementById("demo1");
            demoElement.innerHTML = "";
            let i = 0;
            do {
                demoElement.innerHTML += i + " ";
                i++;
            } while (i < 10);
        }
    </script>
</body>
</html>