AJAX and PHP: Building Modern Web Applications, Second by Bogdan Brinzarea-Iamandi, Cristian Darie, Audra Hendrix

By Bogdan Brinzarea-Iamandi, Cristian Darie, Audra Hendrix

This publication is written for Hypertext Preprocessor builders who are looking to use PHP,j#097;vascript, MySQL, and jQuery to enforce net 2.0 functions, are lookingfor a step by step, example-driven AJAX educational, are looking to examine complex AJAXcoding styles and strategies, and wish for you to verify the safety and SEOimplications in their code.In AJAX and Hypertext Preprocessor: construction sleek net purposes – moment version, we take apragmatic and secure process by way of instructing appropriate styles and most sensible practices that wethink any internet developer will want eventually. We train you ways to prevent thecommon pitfalls, the way to write effective AJAX code, and the way to accomplish functionalitythat is simple to combine into present and destiny net purposes, with no requiringyou to rebuild the entire answer round AJAX. Youll manage to use the knowledgeyou study from this booklet immediately, on your personal home page net applications.Contents:Chapter 1: the area of AJAX and PHPChapter 2: j#097;vascript and the AJAX ClientChapter three: item orientated j#097;vascriptChapter four: utilizing Hypertext Preprocessor and MySQL at the ServerChapter five: AJAX shape ValidationChapter 6: Debugging and Profiling AJAX ApplicationsChapter 7: complex styles and TechniquesChapter eight: AJAX Chat with jQueryChapter nine: AJAX GridAppendix: getting ready Your operating atmosphere

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If you try this, the input box where you're supposed to write your name will freeze when the server is contacted (in this case, the freeze length depends largely on the connection speed, so it may not be very noticeable if you're running the server on the local machine). send(null); // read the response handleServerResponse(); } The process() function is supposed to initiate a new server request using the XMLHttpRequest object. However, this is only possible if the XMLHttpRequest object isn't already busy making another request.

3. 1//EN" "http://www. js"> I'm Body. [ 39 ] This material is copyright and is licensed for the sole use by ALESSANDRO CAROLLO on 18th December 2009 6393 south jamaica court, , englewood, , 80111 JavaScript and the AJAX Client 4. "); Be very careful when writing this code because JavaScript is case sensitive. Even a small typo will usually make the code non-functional. If you run into trouble, we suggest that you check the Error Console (Ctrl+Shift+J) in Mozilla Firefox, or consult Chapter 6, Debugging and Profiling AJAX Applications, for more details on debugging your JavaScript code.

3. php asynchronously. The text entered by the user is passed as a query string parameter (it is passed through GET). The handleServerResponse() function is designed to handle request state changes. 4. php executes on the server. It composes an XML document that encapsulates the message the server wants to send back to the client. 5. The handleServerResponse() method on the client is executed multiple times as the state of the request changes. The last time it's called is when the response has been successfully received.

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