It powers most of the dynamic features you see on web pages, including button clicks, navigations, and form submissions. JavaScript is a popular programming language that's essential for modern websites to function correctly on Mozilla Firefox. That's the default setting.Why do I need JavaScript enabled on Mozilla Firefox? What really sticks in my craw is e-commerce sites break on the browser I'm trying to use to help maintain a semblance of security.Check in the menu, under general and network settings in Firefox that 'use system proxy settings' is ticked. The message is becoming more prevalent as well. I have tried some other browsers, but this is ridiculous. The same sites work in Edge, but I would rather have a colonoscopy. I have even tried my VPN using a US IP address, but still no joy. I am using adblock, and noscript for additional security, but even with all scripts enabled *shudder* nothing works to unblock the sites. When I try to look at the website history, there's nothing there.

The solution posted here does not apply or does not work simply because I delete all cookies and history upon exit, as well as frequently scrub using cleaning software. It seems a lot of mainstream e-commerce sites. Lowes, Home Depot, Spectrum (my ISP and mobile provider), and Meijer grocery stores - to name a few. I also get this issue with 'Access denied' in Firefox only. Let us know the latest troubleshooting steps. To solve the problem access denied I'd opened a support ticked with Firefox. What really sticks in my craw is e-commerce sites break on the browser I'm trying to use to help maintain a semblance of security.

Using mozilla firefox browser