Guenther Posted February 15, 2021 Share Posted February 15, 2021 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 Link to comment Share on other sites More sharing options...
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