Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
https://bugreports.qt.io/browse/QTBUG-84392
With Qt 6.2, you can use qt-cmake to build examples, which does not have this issue.