I dont know how to use ajax in my problem: I have a function in php (assign) that update a temporary table in database, I want to when user user click on a button (feedback
There are many great guides on the internet. I will however suggest you get too know JQuery. It will help you on your learning curve.
function ajaxCall(){ $.ajax({ type: "GET", url: "scripts/on/serverside.php" }); };