HTML CSS how to make a collapsible navigation

Question

I need a list which can collapsible sorry if my English is of I just had my real English lit exam

Answer 1

Refer here:-)

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

https://codeburst.io/how-to-make-a-collapsible-menu-using-only-css-a1cd805b1390

Answer 2

You may use Bootstrap also😉
https://www.sololearn.com/learn/1592/?ref=app

Answer 3

cant you help me with the code its not a table its a list in <nav></nav>