how to clear the cache data when using ajax?

Question

I am using Ajax to retrieve the data from server as below based on some ID to perform auto suggest function. however when i submit the form and update the database, the auto sug

Answer 1

I know that an answer has been accepted, but it didn't worked in my case. I already had no-cache header added. In my case this was the solution that really worked, because if you add a code after the request, it might not get executed in time for the second piece of code to run successfully:

x = new XMLHttpRequest();
x.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
        //execute the other code or function only when the page is really loaded!
    }
};
x.open("GET", "add your url here", true);
x.send();