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Detailed instructions on enabling Javascript for Firefox V.21-25

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For my website I need to explain to customers how to 'enable javascript' for users with Firefox V. 21-25. I can't seem to find the instructions online. I have provided the following instructions for other versions:

Firefox 3.5 & 3.6 "Open the Tools Menu Click on the Privacy icon Check the box next to 'Accept cookies from Sites.'"

Firefox 4 - 20 "On the web browser menu click ""Tools"" and select ""Options"". In the ""Options"" window select the ""Content"" tab. Mark the ""Enable JavaScript"" checkbox. In the opened ""Options"" window click on the ""OK"" button to close it. Click on the ""Reload current page"" button of the web browser to refresh the page."

I can't find anything for v.21-25 Can anyone help? Cheers

For my website I need to explain to customers how to 'enable javascript' for users with Firefox V. 21-25. I can't seem to find the instructions online. I have provided the following instructions for other versions: Firefox 3.5 & 3.6 "Open the Tools Menu Click on the Privacy icon Check the box next to 'Accept cookies from Sites.'" Firefox 4 - 20 "On the web browser menu click ""Tools"" and select ""Options"". In the ""Options"" window select the ""Content"" tab. Mark the ""Enable JavaScript"" checkbox. In the opened ""Options"" window click on the ""OK"" button to close it. Click on the ""Reload current page"" button of the web browser to refresh the page." I can't find anything for v.21-25 Can anyone help? Cheers

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The check boxes to enable/disable JavaScript and load images automatically have been removed from "Options > Content".

You need to check whether the javascript.enabled pref is set to true on the about:config page.

Some extensions that you can look at: