I resolved the problem.
The issue was that i imported in template page the last version of jquery for my purpose but, generate conflict with the build-in version.
Someone know the version of jquery in getsimple 3.3.3 ?
The issue was that i imported in template page the last version of jquery for my purpose but, generate conflict with the build-in version.
Someone know the version of jquery in getsimple 3.3.3 ?