Shu-yu Guo

Good catch. These should be checked for using https://tc39.es/ecma262/#sec-istypedarrayoutofbounds for simpler reasoning at the boundary, even if resizable buffers are currently disallowed.

> You can add properties to the TypeError. That seems better? Does this mean adding data properties to `TypeError` instances created by `fetch()`? I don't really see any issue with...

Review ping.

@ptomato Thanks. If it helps, this PR just splits up existing tests in staging, following the principle that each test262 tests for a single "behavior".

Another ping.

Where is the HTML integration PR for the new host hook and the change to `HostLoadImportedModule`?

> Maybe "Whether the iterator has completed or been closed"? sgtm!

We discussed this on the editor call, and the conclusion is: - We like the change to get [[Get]] delegating to [[GetOwnProperty]], since that's the usual state of things. -...

Would appreciate reviews from Kevin and Waldemar, who've thought deeply about our liveness definition in the past.

@waldemarhorwat I had intended "observe the identity" of a Parse Node to mean the "same Parse Node" comparison. But that indeed is buggy as written, because the template registry is...