Alert box in JavaScript
Alert box display a specified message with an OK button.
An alert dialog box is used to give a warning message to the users on website.
<html>
<head>
<script type=”text/javascript”>
function show()
{
alert(“Meera Academy”);
}
</script>
</head>
<body>
<input type=”button” onclick=”show()” value=”show alert box” />
</body>
</html>