javascript - Codeigniter populate dropdown value from database based on date selected -

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i not codeigniter , javascript.but dont know if possible. working on dental appointment booking sytem final year project.

on booking function, have trouble generate dropdown automatically list available timeslot based on date selected user.

but how make happen? have try search tutorial , question. found related answer involved ajax function not familiar it, , still stuck on it. have has idea or example can refer?

please me. thank :'(

as have figured out have use ajax here. can use onchange event listener in dropdown , ajax call selected value return required result. how it, hove find yourself. google friend.


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