this is an exemplary case for unit tests - rather than adapting
to arbitrary examples found "in the wild", to contrive a set of
minimal examples which have the properties that need to be
accounted for, then to write tests that assert the program's
desired behavior on the known examples
<!DOCTYPE html>
<html><body>
<script>console.log("trivial script")</script>
<script>eval('console.log("non-trivial script")')</script>
<noscript>
inside a noscript
<script>console.log("is this logged?")</script>
<script>eval('console.log("non-trivial noscript")')</script>
</noscript>
</body></html>
to answer the previous mystery, yes that <noscript><script>
runs with librejs enabled - both 'eval()' are blocked as ecpected
rendered:
inside a noscript
logged:
trivial script
is this logged?