Some jQuery files are coded by dollar sign ($). That’s why It conflicts with php and other files. And then the jQuery file doesn’t work. Solve this problem Whole dollar signs ($) need to convert into ‘jQuery’. If there are plenty of dollar signs, This is very tough to convert and find the whole files. So to solve this difficulties there is a simple solution. Just follow the roles.
Go to your jQuery file and write this code before the beginning of whole codes,
Then go to the bottom of the file and in last of whole codes Write this code,