RuntimeError: Object.groupBy is not a function


I have a notebook that works nicelly on my laptop with Chrome.
But not on my smartphone also with Chrome.
I get a RuntimeError: Object.groupBy is not a fonction.

Is Object.groupBy too recent in TypeScript ?

My notebook is:

Let me know if you have ever encountered this problem ?

You can check support here:

What is strange is that the Chrome release on my smartphone is written to be compatible (Version 123.0.6). Strange.

Anyway, I have recoded the cell without the groupBy function that was yet happy to discover as using it often with python/pandas.