How to prevent Ajax/javascript result caching in browsers?

Question

How to prevent browsers from caching Ajax results? I have and event triggered Ajax script the displays results only when the browsers data has been cleared.

Tes

Answer 1

Add a random query string to the URL you are sending.

E.g. if the Ajax request is sent to "http://www.xyz.com/a" then add a random string at the end: "http://www.xyz.com/a?q=39058459ieutm39"