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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Analog Clock</title>
</head>
<body>
<div class="clock">
<div class="clock-face">
<div class="hand hour-hand"></div>
<div class="hand minute-hand"></div>
<div class="hand second-hand"></div>
</div>
</div>
<style>
html {
background:#018DED url(http://unsplash.it/1500/1000?image=881&blur=50);
background-size:cover;
font-family:'helvetica neue';
text-align: center;
font-size: 10px;
}
body {
margin: 0;
font-size: 2rem;
display:flex;
flex:1;
min-height: 100vh;
align-items: center;
}
.clock {
width: 30rem;
height: 30rem;
border:20px solid white;
border-radius:50%;
margin:50px auto;
position: relative;
padding:2rem;
box-shadow:
0 0 0 4px rgba(0,0,0,0.1),
inset 0 0 0 3px #EFEFEF,
inset 0 0 10px black,
0 0 10px rgba(0,0,0,0.2);
}
.clock-face {
position: relative;
width: 100%;
height: 100%;
transform: translateY(-3px); /* account for the height of the clock hands */
}
.hand {
width:50%;
height:6px;
background:black;
position: absolute;
top:50%;
transform-origin: 100%;
transform: rotate(90deg);
transition: all 0.05s;
transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
}
</style>
<script>
const secondHand = document.querySelector('.second-hand'),
minuteHand = document.querySelector('.minute-hand'),
hourHand = document.querySelector('.hour-hand');
function setDate(){
const now = new Date();
/* Seconds */
const seconds = now.getSeconds();
//console.log(seconds);
/* 60s problem (reverse to 90deg) solved */
if(seconds == 0){
secondHand.style.transition = "all 0s";
}else {
secondHand.style.transition = "all 0.05s";
}
const secondsDegrees = ((seconds/60) * 360) + 90;
secondHand.style.transform = `rotate(${secondsDegrees}deg)`;
/* Minutes */
const minutes = now.getMinutes();
//console.log(minutes);
/* 60min problem (reverse to 90deg) solved */
if(minutes == 0){
minuteHand.style.transition = "all 0s";
}else {
minuteHand.style.transition = "all 0.05s";
}
const minutesDegrees = ((minutes/60) * 360) + 90;
minuteHand.style.transform = `rotate(${minutesDegrees}deg)`;
/* Hours */
const hours = now.getHours() % 12;
//console.log(hours);
/* 12hour problem (reverse to 90deg) solved */
if(hours == 0){
hourHand.style.transition = "all 0s";
}else {
hourHand.style.transition = "all 0.05s";
}
const hoursDegrees = ((hours/12) * 360) + 90;
hourHand.style.transform = `rotate(${hoursDegrees}deg)`;
}
setInterval(setDate, 1000);
</script>
</body>
</html>