Calling a php function using ajax/javascript

Question

Ok guys I know this question has been asked before but I am very new to PHP and JavaScript and hadn\'t even heard of ajax until i started looking for an answer to this question

Answer 1

$.get("test.php", { name: "John", time: "2pm" }, function(data) {
   alert("Data Loaded: " + data);
 });

http://api.jquery.com/jQuery.get/