It's mentioned in the docs 
here: 
https://emscripten.org/docs/porting/connecting_cpp_and_javascript/Interacting-with-code.html?highlight=memory_growth#access-memory-from-javascript

That if using the ALLOW_MEMORY_GROWTH option, the JS side needs to refresh 
the views on the memory buffer.

If I used Module._malloc, and then memory grows, are the values returned 
from the original Module._malloc call still valid? If the values returned 
refer to specific positions in the underlying buffer, it seems like they 
would be invalidated, but that doesn't seem to be the case (they still seem 
valid).

What's going on here? I have a feeling I'm misunderstanding how Emscripten 
works with C++ memory.

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