Introduction - If you have any usage issues, please Google them yourself
Added a.adjustOrder property, you can set whether to drag entries, manually sort list
Added a.deleteAllShow property, you can set whether to display the empty button, you can clear the list
Added JAVASCRIPT () challs_flash_deleteAllFiles function, mainly to empty the button when the event, according to the return value to determine whether the empty list
Modify the JAVASCRIPT (a) challs_flash_FormData function to solve the problem of getting the same value of the same checkbox as the NAME item in the form