Created
November 1, 2020 22:32
-
-
Save slashinfty/e4f7a00eab15420c373fa13660a82290 to your computer and use it in GitHub Desktop.
A simple timer for racing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title>Race Timer</title> | |
<link href="https://fonts.googleapis.com/css2?family=Major+Mono+Display&display=swap" rel="stylesheet"> | |
<style> | |
body { | |
font-family: 'Major Mono Display', monospace; | |
background-color: black; | |
color: white; | |
font-size: 10em; | |
} | |
</style> | |
<script> | |
document.addEventListener("DOMContentLoaded", () => { | |
document.addEventListener('keyup', setTimer); | |
function setTimer(e) { | |
if (e.keyCode === 220) { | |
if (!running){ | |
startTime = new Date().getTime(); | |
tInterval = setInterval(getShowTime, 1000); | |
paused = 0; | |
running = 1; | |
} else if (!paused) { | |
clearInterval(tInterval); | |
savedTime = difference; | |
paused = 1; | |
running = 0; | |
} | |
} else if (e.keyCode === 192) { | |
reset(); | |
} | |
} | |
}); | |
let startTime, updatedTime, difference, tInterval, savedTime; | |
let paused = 0; | |
let running = 0; | |
const start = () => { | |
if (!running) { | |
startTime = new Date().getTime(); | |
tInterval = setInterval(getShowTime, 1000); | |
paused = 0; | |
running = 1; | |
} | |
}; | |
const pause = () => { | |
if (!difference) {} | |
else if (!paused) { | |
clearInterval(tInterval); | |
savedTime = difference; | |
paused = 1; | |
running = 0; | |
} else { | |
start(); | |
} | |
}; | |
const reset = () => { | |
clearInterval(tInterval); | |
savedTime = 0; | |
difference = 0; | |
paused = 0; | |
running = 0; | |
document.getElementById("time").innerHTML = '00:00'; | |
}; | |
const getShowTime = () => { | |
updatedTime = new Date().getTime(); | |
if (savedTime) difference = (updatedTime - startTime) + savedTime; | |
else difference = updatedTime - startTime; | |
var seconds = Math.floor(difference / 1000); | |
document.getElementById("time").innerHTML = ('0' + Math.floor(seconds / 60)).slice(-2) + ':' + ('0' + (seconds % 60)).slice(-2);; | |
} | |
</script> | |
</head> | |
<body> | |
<div id="time">00:00</div> | |
</body> | |
</html> |
Author
slashinfty
commented
Nov 1, 2020
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment