In a script window, the user can right click on a function and click on "Help Scripting Index".
This opens the Scripting Index with the function selected.
my wish: A Keyboard Shortcut to open the Scripting Index with the function selected.
https://community.jmp.com/t5/Discussions/Keyboard-shortcut-for-quot-Help-Scripting-Index-quot/m-p/558962/
(no shortcut will be used more often than this one : )