What is the best way of showing progress on an Ajax call?

Question

I have an Ajax call that updates 5,000 records in a database so this takes a lot of time. I have an Ajax \"Loading image\" showing that something is happening, but I am loo

Answer 1

I just got an idea while reading the replies.

JavaScript and PHP share cookies,

1. Create a cookie with JavaScript when an Ajax call is made.
2. In an Ajax PHP file increment the value in that cookie with each SQL update.
3. In JavaScript a recursive function will read that particular cookie and will update progress bar numbers.

Advantages:

1. Only 1 Ajax call.
2. Less load on the server.