Ajax: The Complete Reference by Thomas A. Powell

By Thomas A. Powell

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Unfortunately, there is no error handling or timeouts intrinsic to the object, which would be useful. As with the one-way iframe pattern, if the GET method is being employed, the first step is to use the DOM to create the tag to be used for communication and then set its source to the target server-side URL with the appropriate query string. appendChild(ifrText); } Once given this form you simply submit it to start the communication. submit(); NOTE One important aspect of posting data to a server rather than using a query string is that well-behaved caches will not cache the response.

InnerHTML = "Thank you for voting. You rated this a " + rating + ". There are " + total + " total votes. The average is " + average + ". "; } You can see the communication trace here, which shows just how simple this method can be. The simple elegance of the