These examples demonstrate how QEventLoop::exec() works on Qt for WebAssembly, and also shows how to implement main() without calling QApplication::exec().
main_exec Standard Qt main(), where QApplication::exec() does not return
main_noexec Qt main() without QApplication::exec()
dialog_exec Shows how QDialog::exec() also does not return
thread_exec Shows how to use QThread::exec()
eventloop_auto Event loop autotest (manually run)