Revert "Revert "Removed jQuery and did with vanilla JS""

This reverts commit b386a8aa16b99a905aaab62e36fa8704ab106672.
Revert "Revert "Revert "Removed jQuery and did with vanilla JS"""

This reverts commit 1c7699134c975eb3d7ffe441b5b9ac6da4c2ad5d.