This article explains how to disable JavaScript in Safari for iPhone, iPad, and iPod touch devices running iOS 13 through 10.
iPhone 12: Enable/Disable JavaScript in Safari Internet Browser
JavaScript is the high-level programming language behind the interactive features of dynamic websites, such as online forms and simple animations. It is known, along with HTTP and CSS, as an essential programming language for the web. However, many people consider it a flawed language due to its history of security vulnerabilities.
If you have an iOS device (iPhone, iPad, or iPod touch) and want to disable JavaScript in the Safari browser, either for security or development reasons, you can easily do so.
To disable JavaScript on your iOS device, follow these steps.