To view our interactive tools properly, you need to be using a Java-enabled browser (Microsoft Internet Explorer v.

There's an easy way to run Java in the browser now that WebAssembly is a W3C standard. In this Java and WebAssembly tutorial, we show you how to compile Java into WASM, and invoke your Java code in ...

Uncheck the option Enable Java content in the browser. Click Apply and OK to save the changes. Now to reinstall the Java package, Download and install the Java package from the official website here.

From Java 7 Update 10, there's an option in the Security tab of the Settings page to "Enable Java content in the browser" which, when unchecked, stops any Java from running.

By clicking this arrow you will tell the system to enable the Java plug-in, but will have to quit and relaunch your Web browser in order for it to work.

To enable JavaScript, go into the Settings app on your iPhone, click "Safari," then "Advanced," and swipe the JavaScript button to the right so it appears green. Here's a full breakdown with pictures.