In this example we explain that how to detect if JavaScript
is disabled. Or how to check JavaScript is enabled or disabled in your browser
using JavaScript.
We all know in every application JavaScript greatly
enhance the experience for the user whether it is validate from data or modal
popup or anything. Sometime what happen when some users don’t have JavaScript
enabled in their browser so your JavaScript functionality is not worked
properly for those user so point is that you need to be able to detect this and
display proper message like JavaScript is not enabled in your browser please
enabled it to perform this action.
Below is the code for if JavaScript is disabled in
your browser you can easily display warning message to the user by adding “noscript”
tab.
Code:-
<%@
Page Language="C#" AutoEventWireup="true" CodeFile="javascriptdisabled.aspx.cs"
Inherits="WebApplication1_javascriptdisabled"
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Detect Javascript On/Off, With Notification</title>
<script
type="text/javascript">
function
popUp() {
alert("This
is an popup alert")
}
</script>
</head>
<body onload="popUp()">
<p>
You should see a pop-up.</p>
<noscript>
<p>
But unfortunately, Javascript is
disabled in your Browser . Please enable it.</p>
</noscript>
</body>
</html>
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