forked from starrohan999/Hacktoberfest-Accepted
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathCountdown Timer.js
170 lines (149 loc) · 3.79 KB
/
Countdown Timer.js
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Countdown Timer</title>
<link href='https://fonts.googleapis.com/css?family=Inconsolata' rel='stylesheet' type='text/css'>
<link rel="stylesheet" href="style.css">
<style>
html {
box-sizing: border-box;
font-size: 10px;
background: #8E24AA;
background: linear-gradient(45deg, #42a5f5 0%,#478ed1 50%,#0d47a1 100%);
}
*, *:before, *:after {
box-sizing: inherit;
}
body {
margin: 0;
text-align: center;
font-family: 'Inconsolata', monospace;
}
.display__time-left {
font-weight: 100;
font-size: 20rem;
margin: 0;
color: white;
text-shadow: 4px 4px 0 rgba(0,0,0,0.05);
}
.timer {
display: flex;
min-height: 100vh;
flex-direction: column;
}
.timer__controls {
display: flex;
}
.timer__controls > * {
flex: 1;
}
.timer__controls form {
flex: 1;
display: flex;
}
.timer__controls input {
flex: 1;
border: 0;
padding: 2rem;
}
.timer__button {
background: none;
border: 0;
cursor: pointer;
color: white;
font-size: 2rem;
text-transform: uppercase;
background: rgba(0,0,0,0.1);
border-bottom: 3px solid rgba(0,0,0,0.2);
border-right: 1px solid rgba(0,0,0,0.2);
padding: 1rem;
font-family: 'Inconsolata', monospace;
}
.timer__button:hover,
.timer__button:focus {
background: rgba(0,0,0,0.2);
outline: 0;
}
.display {
flex: 1;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
}
.display__end-time {
font-size: 4rem;
color: white;
}
</style>
</head>
<body>
<div class="timer">
<div class="timer__controls">
<button data-time="20" class="timer__button">20 Secs</button>
<button data-time="300" class="timer__button">Work 5</button>
<button data-time="900" class="timer__button">Quick 15</button>
<button data-time="1200" class="timer__button">Snack 20</button>
<button data-time="3600" class="timer__button">Lunch Break</button>
<form name="customForm" id="custom">
<input type="text" name="minutes" placeholder="Enter Minutes">
</form>
</div>
<div class="display">
<h1 class="display__time-left"></h1>
<p class="display__end-time"></p>
</div>
</div>
<script>
let countdown;
const timerDisplay = document.querySelector('.display__time-left');
const endTime = document.querySelector('.display__end-time');
const buttons = document.querySelectorAll('[data-time]');
function timer(seconds) {
// clear any existing timers
clearInterval(countdown);
const now = Date.now();
const then = now + seconds * 1000;
displayTimeLeft(seconds);
displayEndTime(then);
countdown = setInterval(() => {
const secondsLeft = Math.round((then - Date.now()) / 1000);
// check if we should stop it!
if(secondsLeft < 0) {
clearInterval(countdown);
return;
}
// display it
displayTimeLeft(secondsLeft);
}, 1000);
}
function displayTimeLeft(seconds) {
const minutes = Math.floor(seconds / 60);
const remainderSeconds = seconds % 60;
const display = `${minutes}:${remainderSeconds < 10 ? '0' : '' }${remainderSeconds}`;
document.title = display;
timerDisplay.textContent = display;
}
function displayEndTime(timestamp) {
const end = new Date(timestamp);
const hour = end.getHours();
const adjustedHour = hour > 12 ? hour - 12 : hour;
const minutes = end.getMinutes();
endTime.textContent = `Be Back At ${adjustedHour}:${minutes < 10 ? '0' : ''}${minutes}`;
}
function startTimer() {
const seconds = parseInt(this.dataset.time);
timer(seconds);
}
buttons.forEach(button => button.addEventListener('click', startTimer));
document.customForm.addEventListener('submit', function(e) {
e.preventDefault();
const mins = this.minutes.value;
console.log(mins);
timer(mins * 60);
this.reset();
});
</script>
</body>
</html>