Add cart button does not work on the iPhone or Ipad 6 + Air and Mini

[tuaneric]

Hello world
I just replace my new site VirtueMart Joomla 3.4.3 and 3.0.9.4 Add Cart button does not work on the iPhone 6 more or Ipad  Air and Mini browser with Google Chrome and Safari, but it works on iPhone 5.Je do not understand why.

I tried to change another tempate Beez3 - Default but it changes nothing.

You can test my site: www.Informatique.fr

Thanks

[tuaneric]

Hello

I crush com_virtuemart folder. But that change anything

I start all, install Joomla and Virtuemart 3.9.4 on my site www.amxx.fr. I tested it with my Ipad Air works.

I save with Akeeba I transfer my website www.informatique.fr. I tested it with my Ipad Air does not work


I do not know how.

Please let me help.

thank you