In the browser to open or close the JavaScript method, the browser javascript

In the browser to open or close the JavaScript method, the browser javascript

All modern browsers use built-in JavaScript support. In many cases, you may need to enable or manually disable this support.

This tutorial will show you how to enable and disable JavaScript support in your browser: IE, Firefox, and Opera.
JavaScript in Internet Explorer (IE:

The following are simple steps to enable or disable JavaScript in your Internet Explorer:

• Choose "Tools"> "Internet Options" from the menu"
• Select the Security tab from the dialog box.
• Click "Custom Level"
• Scroll down until "script option" is found"
• Select the Enable "activity script" radio button
• Click "OK" and then exit.

To disable JavaScript to support Internet Explorer, select the "Disable" radio button in "activity script.
JavaScript in Firefox:

Below are simple steps to enable or disable JavaScript in Firefox:

• Choose "Tools"> "options" from the menu"
• From the "content" option in the dialog box
• Select the check box for enabling JavaScript
• Click OK, and then exit.

To disable JavaScript support for Firefox, select the disable JavaScript check box.
JavaScript in Opera:

The following are simple steps to enable or disable JavaScript in Opera:

• Choose tools> preferences from the menu"
• Select "advanced" option in the dialog box
• Select "content" from the listed items"
• Select the enable JavaScript check box
• Click "OK" and then exit.

To disable JavaScript in Opera, do not select the check box to enable JavaScript.
Warning for non-JavaScript browsers:

If you use JavaScript to do some important things, you can display a warning message and use the <noscript> label to display it to the user.

You can add the noscript block as follows immediately after the script block:

Now, if the user's browser is not enabled and does not support JavaScript or JavaScript, </noscript> displays messages on the screen.