Why do not all scripts work on the site from the ipad mini device of the 1st generation?

Question

JavaScript

Why not all scripts are worked out on ipad mini 1st generation (2nd generation - they work). For example, the swiper works, but the button to open the menu does not (more precisely, everything that does not link does not work (for example, scripts for button)) Strict mode is prescribed for scripts.
And tell me, earlier I could see the web inspector from this tablet, but now I can’t, it doesn’t even show the elements tab, only the console, but it doesn’t react to any input. The apple id of the devices is different. Maybe it’s connected, that earlier it was possible to watch the web inspector, but now it’s not, due to the fact that the poppy software has been updated?
In general, the big problem is that before I could somehow get inside the ipad, through the poppy, but now I can’t (