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Treeview Example


Guenther
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Hi .

I am currently using the treeview shown here:

https://www.w3schools.com/howto/howto_js_treeview.asp

and it works fine in my place.

The code is so compact and tiny so it actually appears little obfuscated .

How can i add a "expand/collapse" all button ?

How can i save/remember the expanded not set when having php/python in the background ?

 

Thank you  for your hints

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