New PDF release: Ajax Hacks

By Bruce W. Perry

ISBN-10: 0596101694

ISBN-13: 9780596101695

Ajax, the preferred time period for Asynchronous JavaScript and XML, is likely one of the most crucial combos of applied sciences for net builders to grasp nowadays. With its wealthy grouping of applied sciences, Ajax builders can create interactive internet functions with XML-based internet companies, utilizing JavaScript within the browser to technique the net server reaction. Taking entire benefit of Ajax, even if, calls for anything greater than your average "how-to" e-book. What it demands is Ajax Hacks from O'Reilly. This worthy advisor presents direct, hands-on ideas that take the secret out of Ajax's many features. every one hack represents a smart method to accomplish a particular activity, saving you numerous hours of looking for the fitting solution. a wise choice of eighty insider advice and methods, Ajax Hacks covers the entire technology's finer issues. are looking to construct next-generation net functions at the present time? This booklet can exhibit you ways. one of the multitude of issues addressed, it indicates you concepts for: utilizing Ajax with Google Maps and Yahoo Maps showing Weather.com facts Scraping inventory prices Fetching postal codes construction net kinds with auto-complete performance Ajax Hacks additionally incorporates a variety of complex hacks for speeded up internet builders. detect find out how to create large, maintainable bookmarklets, how one can use client-side garage for Ajax functions, and the way to name a integrated Java item from JavaScript utilizing Ajax. The booklet even addresses top practices for trying out Ajax functions and bettering upkeep, functionality, and reliability for JavaScript code. the newest in O"Reilly's celebrated Hacks sequence, Ajax Hacks well enhances different O'Reilly titles resembling Head Rush Ajax and JavaScript: The Definitive advisor.

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Extra resources for Ajax Hacks

Sample text

A number of the cool Ajax tips described in this book alter the behavior of many familiar web widgets, such as select lists, textareas, text fields, and radio buttons that submit their own data and talk to servers behind the scenes. However, bear in mind that Ajax-powered widgets should be first and foremost usable, and always avoid confusing and irritating web users. XMLHttpRequest At the center of many of the hacks in this book is the XMLHttpRequest object, which allows JavaScript to fetch bits of server data while the user is happily playing with the rest of your application.

In general, you may use the code in this book in your programs and documentation. You do not need to contact us for permission unless you're reproducing a significant portion of the code. For example, writing a program that uses several chunks of code from this book does not require permission. Selling or distributing a CD-ROM of examples from O'Reilly books does require permission. Answering a question by citing this book and quoting example code does not require permission. Incorporating a significant amount of example code from this book into your product's documentation does require permission.

Dynamically Generate a New Checkbox Group with Server Data Hack 19. Populate an Existing Checkbox Group from the Server Hack 20. Change Unordered Lists Using an HTTP Response Hack 21. Submit Hidden Tag Values to a Server Component Chapter 3. Validation Hack 22. Validate a Text Field or textarea for Blank Fields Hack 23. Validate Email Syntax Hack 24. Validate Unique Usernames Hack 25. Validate Credit Card Numbers Hack 26. Validate Credit Card Security Codes Hack 27. Validate a Postal Code Chapter 4.

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Ajax Hacks by Bruce W. Perry


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