Mozilla has begun building a new technology called IonMonkey into Firefox to improve its JavaScript performance. High JavaScript performance is essential in today's hotly competitive browser ...

Select the checkbox next to 'Enable JavaScript' and click OK Mozilla Firefox (1.5) Select 'Tools' from the top menu Choose 'Options' Choose 'Content' from the top navigation ...

Learn how to enable or disable JavaScript In Edge, Chrome, Firefox and Opera browser on your Windows 11/10 computer. Browsing speed will improve, but you will lose out on functionalities.