All the modern browsers come with built-in support for JavaScript.
Many times you may need to enable or disable this support manually.
This tutorial will make you aware the procedure of enabling and disabling JavaScript support in your browsers : Internet Explorer, Firefox and Opera.
You can add a noscript block immediately after the script block as follows:
Now, if user's browser does not support JavaScript or JavaScript is
not enabled then message from </noscript> will be displayed on the
screen.
This tutorial will make you aware the procedure of enabling and disabling JavaScript support in your browsers : Internet Explorer, Firefox and Opera.
JavaScript in Internet Explorer:
Here are simple steps to turn on or turn off JavaScript in your Internet Explorer:- Follow Tools-> Internet Options from the menu
- Select Security tab from the dialog box
- Click the Custom Level button
- Scroll down till you find Scripting option
- Select Enable radio button under Active scripting
- Finally click OK and come out
JavaScript in Firefox:
Here are simple steps to turn on or turn off JavaScript in your Firefox:- Follow Tools-> Options
from the menu - Select Content option from the dialog box
- Select Enable JavaScript checkbox
- Finally click OK and come out
JavaScript in Opera:
Here are simple steps to turn on or turn off JavaScript in your Opera:- Follow Tools-> Preferences
from the menu - Select Advanced option from the dialog box
- Select Content from the listed items
- Select Enable JavaScript checkbox
- Finally click OK and come out
Warning for Non-JavaScript Browsers:
If you have to do something important using JavaScript then you can display a warning message to the user using <noscript> tags.You can add a noscript block immediately after the script block as follows:
<html>
<body>
<script language="javascript" type="text/javascript">
<!--
document.write("Hello World!")
//-->
</script>
<noscript>
Sorry...JavaScript is needed to go ahead.
</noscript>
</body>
</html>
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