AJAX and PHP: Building Modern Web Applications, 2nd Edition by Bogdan Brinzarea, Cristian Darie

By Bogdan Brinzarea, Cristian Darie

Build consumer pleasant internet 2.0 functions with JavaScript and personal home page

  • Create swifter, lighter, greater internet purposes through the use of the AJAX applied sciences to their complete potential
  • Leverage the facility of personal home page and MySQL to create strong back-end performance and make it paintings in concord with a responsive AJAX clientWrite higher JavaScript code to allow strong internet features
  • Understand the entire client-server mechanism by means of following entire, step by step case studies

In aspect

AJAX allows interactive interfaces that may change conventional consumer interfaces. improve the person adventure of your personal home page site utilizing AJAX with this sensible and pleasant educational! This booklet is the best source you will get to go into the intriguing international of AJAX with Hypertext Preprocessor. in response to a number of examples and targeted case reports, this AJAX with personal home page educational will construct your starting place wisdom for growing quicker, larger internet applications.

The most sensible AJAX educational for Hypertext Preprocessor builders has been thoroughly rewritten to be your pleasant consultant to trendy net 2.0 improvement thoughts! AJAX and personal home page: construction sleek net functions, 2d variation covers each major element of making and retaining AJAX and Hypertext Preprocessor applications.

This booklet will train you ways to take advantage of Hypertext Preprocessor, JavaScript, MySQL and jQuery to construct glossy, responsive net purposes. After development a powerful origin, the e-book will stroll you thru various real-world case reviews masking suggestions you will be more likely to desire in your personal applications:

  • Learn how one can write unobtrusive, degradable, transportable, SEO-friendly AJAX code
  • Understand the object-oriented version of JavaScript and JSON
  • Learn how one can use the jQuery JavaScript library via facing whole case studies
  • Debug your AJAX and personal home page code utilizing glossy tools
  • Assess the safety implications of writing AJAX code and steer clear of protection dangers equivalent to cross-site scripting
  • Learn complex AJAX and personal home page styles and strategies corresponding to predictive fetching, growth indicator, sleek degradation, cross-domain calls, and more
  • Understand the full client-server mechanism by means of facing whole, step by step case reviews, together with AJAX shape Validation, and AJAX on-line Chat and AJAX Editable DataGrid with jQuery

What you are going to study from this ebook

  • Create quicker, lighter, greater net purposes through the use of the AJAX applied sciences to their complete potential
  • Learn to exploit personal home page and MySQL at the server, and Javascript and jQuery at the consumer, to construct real-world AJAX applications
  • Combine client-side and server-side performance to reinforce the consumer adventure of your web site utilizing AJAX
  • Learn to simulate deepest, example, and static type contributors in JavaScript
  • ld an AJAX-enabled shape validation web page, that is secure to paintings whether the buyer does not help JavaScript and AJAX

Approach

This publication is a step by step, example-driven AJAX educational, that includes whole case reviews. every one bankruptcy includes a pleasant mixture of idea and perform, in order that your trip throughout the booklet might be friendly, but effective. you will be coding your first AJAX program on the finish of the 1st bankruptcy, and with each one new bankruptcy you will strengthen more and more advanced AJAX functions that includes complicated strategies and coding styles.

Who this booklet is written for

AJAX and Hypertext Preprocessor: development sleek net purposes, second variation, is written for Hypertext Preprocessor builders who:

  • Want to profit easy methods to use Hypertext Preprocessor, JavaScript, MySQL and jQuery to enforce net 2.0 applications
  • Are searching for a step by step, example-driven AJAX tutorial
  • Want to benefit complicated AJAX coding styles and strategies and manage to examine the protection and web optimization implications in their code

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Extra resources for AJAX and PHP: Building Modern Web Applications, 2nd Edition

Example text

If you need more online resources, search engines will be of help. Setting up your environment Before moving on, ensure you've prepared your working environment as shown in the Appendix, where you're guided through installation and setup of PHP and Apache, and set up the database used for the examples in this book. ) [ 19 ] The World of AJAX and PHP You may also want to install a code editor. net/) is a free and cross-platform editor. com/) is a freeware editor popular among Windows developers.

This function is longer than it could be because we need to make it cross-browser compatible— we'll discuss the details in Chapter 2; for now it's important to know what it does. send(null); } else // if the connection is busy, try again after one second setTimeout('process()', 1000);} What you see here is, actually, the heart of AJAX—the code that makes the asynchronous call to the server. open to false, and then call handleServerResponse() manually, as shown below. 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).

The typical sequence of operations when working with XMLHttpRequest is as follows: 1. Create an instance of the XMLHttpRequest object. 2. Use the XMLHttpRequest object to make an asynchronous call to a server page and define a callback function that will be executed automatically when the server response is received. 3. Evaluate the server's response in the callback function. 4. Carry out updating of the web page with the data received. 5. Return to step 2.

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