-
Notifications
You must be signed in to change notification settings - Fork 0
/
Roll.html
93 lines (78 loc) · 2.35 KB
/
Roll.html
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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, viewport-fit=cover, user-scalable=no">
<style>
html {
height: 100%;
}
body {
padding: 0;
margin: 0;
height: 100%;
}
::-webkit-scrollbar {
width: 0;
display: none;
}
</style>
</head>
<body>
<div>
<title>幸运观众</title>
<p>未使用的数字:<span id="unused">0</span></p>
<button onclick="start()">开始</button>
<button onclick="stop()">停止</button>
<button onclick="finish()">提交</button>
<div class="number" id="number"></div>
<button onclick="reset()">重置</button>
</div>
<script type="text/javascript">
let unused = [];
let time = null;
let randomIndex = null;
for (let i = 0; i < 10; i++) {
if (!!localStorage.getItem("used") && localStorage.getItem("used").indexOf(i) !== -1) continue
unused.push(i)
}
document.getElementById("unused").innerText = unused.join(",")
console.log(unused)
function start() {
if (time !== null) return;
if (unused.length === 0) {
document.getElementById("number").innerText = "抽完了"
return;
}
time = setInterval(() => {
randomIndex = parseInt(Math.random() * unused.length)
document.getElementById("number").innerText = unused[randomIndex]
}, 100)
}
function finish() {
if (time === null && randomIndex !== null) {
let del = unused[randomIndex]
unused.splice(randomIndex, 1)
document.getElementById("number").innerText = ""
let usedList = []
if (localStorage.getItem("used") !== null) {
usedList = localStorage.getItem("used").split(",")
}
usedList.push(del)
localStorage.setItem("used", usedList.join(","));
randomIndex = null
document.getElementById("unused").innerText = unused.join(",")
}
}
function stop() {
clearInterval(time)
time = null
}
function reset() {
localStorage.removeItem("used")
location.reload();
}
</script>
</body>
</html>