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. In the Options windows, open the Content section and check (click on the check box) Enable JavaScript option. Press OK button and restart Firefox. Now enjoy browsing with JavaScript enabled. To enable or disable JavaScript in Firefox 3.6 or later: In Firefox for Windows, from the Tools menu, select Options. If the menu bar is hidden, press Alt to make it visible. In Firefox for Mac OS X, from the Firefox menu, select Preferences. Click the Content tab. Check or uncheck Enable JavaScript. If disabling the JavaScript-blocking extensions didn't fix your problem, you may need to enable JavaScript from within Firefox's hidden settings: Enter about:config into the Firefox URL bar. Click I accept the risk!. How to Enable JavaScript on a Mac. In Firefox on a Mac, click on the Firefox menu at the top left of the browser, then click on Preferences. This will open up a pop.
Enable JavaScript in Firefox This guide will step you through the process of enabling JavaScript in Firefox. The screenshots below are taken from Mac OS X, but the process is the same on Windows. How to merge cells in google spreadsheet.
• Click into the Address Bar In newer versions of Firefox (Version 24 and above), some of the more advanced settings have been moved to a different location in Firefox and are no longer accessible from the standard 'Settings' controls. You now need to go to a special address to be able to change them. The Address Bar is at the top of the Firefox window and usually shows the URL of the website you're looking at. • Go to the Advanced Configuration url In the address bar, type in about:config and press enter. You do not need to put in or www or anything like that; simply put about:config and press the Enter key on your keyboard. • Accept the warning about changing settings Because about:config will give you lots of advanced options which can potentially mess up Firefox, you will be warned about not changing anything you're not sure about.
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Click the ' I'll be careful, I promise' button. This warning will appear each time you visit about:config unless you untick the ' Show this warning next time' button. We recommend keeping this box ticked to remind you each time! • You will now see the list of advanced settings The list of advanced settings looks like this: This warning will appear each time you visit about:config unless you untick the ' Show this warning next time' button. We recommend keeping this box ticked to remind you each time! • Type 'javascript' into the 'Search' box at the top to locate the setting you need to change Because there are so many settings, the easiest way to find the JavaScript setting is to start to type 'javascript' into the search box.