<!DOCTYPE html>
<html>
<head>
<title>
Blinking with JavaScript
</title>
<style>
#blink {
font-size: 20px;
font-weight: bold;
font-family: sans-serif;
}
</style>
</head>
<body>
<p id="blink">
Hello Geeks let's Blink
</p>
<script type="text/javascript">
var blink =
document.getElementById('blink');
setInterval(function () {
blink.style.opacity =
(blink.style.opacity == 0 ? 1 : 0);
}, 1000);
</script>
</body>
</html>