The following code shows how to create tooltip in Javascript code.
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
<link rel="stylesheet"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap-theme.min.css">
<script type="text/javascript"
src="http://code.jquery.com/jquery.min.js"></script>
<script
src="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){<!--from w w w. j a v a 2 s . c o m-->
$(".tooltip-examples a").tooltip({
title : 'It works in absence of title attribute.'
});
});
</script>
<style type="text/css">
.bs-example {
margin: 100px;
}
</style>
</head>
<body>
<div class="bs-example">
<p class="tooltip-examples">
<a href="#" data-toggle="tooltip">Tooltip Example</a>
</p>
</div>
</body>
</html>