Created
December 27, 2020 01:34
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Simple HTML page showing use of setInterval and mucking with the DOM.
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta http-equiv="refresh" content="30"> | |
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" /> | |
<meta http-equiv="Pragma" content="no-cache" /> | |
<meta http-equiv="Expires" content="0" /> | |
<link href='https://fonts.googleapis.com/css?family=Stylish' rel='stylesheet'> | |
<link rel="icon" type="image/png" href="favicon.ico" /> | |
<style> | |
.currentTime { | |
font-family: 'Stylish'; font-size:160px; | |
# border: 1px outset red; | |
background-color: lightgreen; | |
text-align: center; | |
line-height: 100%; | |
padding-top: 25px; | |
padding-bottom: 25px; | |
} | |
</style> | |
<script> | |
function startUpdater() { | |
setInterval(updateTime, 1000); | |
} | |
function updateTime() { | |
var now = new Date(); | |
var h = now.getHours(); | |
var am_pm = "AM"; | |
if (h >= 12) { | |
am_pm = "PM"; | |
} | |
if (h >= 13) { | |
h = h - 12; | |
} | |
var m = now.getMinutes(); | |
if (m < 10) { | |
m = "0" + m; | |
} | |
var s = now.getSeconds(); | |
if (s < 10) { | |
s = "0" + s; | |
} | |
document.getElementById('currentTime').innerHTML = h + ":" + m + ":" + s + " " + am_pm; | |
} | |
</script> | |
</head> | |
<body onload="startUpdater()"> | |
<div class="currentTime" id="currentTime">???</div> | |
</body> | |
</html> |
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