Making an AJAX request to another server

Question

I have AJAX code where if you request an AJAX call to remote server the request fails:

function loadXMLDoc() {
  if (window.XMLHttpRequest) {
    // code for         


        

Answer 1

As a security measure, AJAX does not allow you to make requests to other domains. Cross Domain Ajax: a Quick Summary discusses several ways to work around the problem. The easiest way is to use your server as a proxy to download remote content:

This is one of the most common approaches. Your script calls your server, your server makes the call to the remote server and then returns the result back to the client. There are some definite advantages to this approach: you have more control over the entire lifecycle. You can parse the data from the remote server, do with it what you will before sending it back to the client. If anything fails along the way, you can handle it in your own way. And lastly, you can log all remote calls. WIth that you can track success, failure and popularity.