A how-to for a countdown clock.
A Pen by Matt Smith on CodePen.
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta http-equiv="Content-type" content="text/html; charset=utf-8"> | |
<title>Tone Generator</title> | |
<script> | |
var context = null; | |
var usingWebAudio = true; |
<!DOCTYPE html> | |
<html> | |
<head> | |
<title></title> | |
<style> | |
html, body { | |
height: 100%; | |
margin: 0; | |
} |
A how-to for a countdown clock.
A Pen by Matt Smith on CodePen.