Wednesday, September 17, 2008

Simple Ajax using Prototype. Part 1

This is part of one of many such tutorials covering Ajax with Prototype.

If you do not want to get your hand to dirty with custom Ajax code, then using the extremely handy toolkit from prototype may be perfect.
Prototype is a very well written JavaScript framework/toolkit and come with an Ajax class to make things nice and easy.

In this simple example I’ll show you just how easy Ajax calls are. But you will need to have your own copy of prototype (its free!).

On a side note… if you like fancy JavaScript effects, you can extend prototype with another library called - I promise, with these you will have endless hours of fun!!

On with the example
I’ve attempted to simplify things as much as possible. In this tutorial we will type some text into a standard form field, hit a button and see the results appear below. In the background, our button click will trigger our JavaScript function, and pass the text through Ajax to a server-side PHP script. This PHP script will write our text back to an other JavaScript function on our page and print the text out on the screen.

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