Jquery UI Tooltip
A tooltip is a graphical user interface (GUI) element used in conjunction with the cursor or mouse pointer to display information about an item without needing to click on it.
$( document ).tooltip();
<input id="qty" title="Enter quantity in the textbox">

<html>
<head>
<title>jQuery UI tooltip example</title>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<script>
$( function() {
$( document ).tooltip();
} );
</script>
</head>
<body>
<label for="qty">Enter Quantity:</label><input id="qty" title="Enter quantity in the textbox">
</body>
</html>
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