Read e-book online Ajax Hacks PDF

By Bruce W. Perry

ISBN-10: 0596101694

ISBN-13: 9780596101695

Ajax, the preferred time period for Asynchronous JavaScript and XML, is without doubt one of the most vital combos of applied sciences for internet builders to grasp nowadays. With its wealthy grouping of applied sciences, Ajax builders can create interactive internet purposes with XML-based net prone, utilizing JavaScript within the browser to procedure the net server reaction. Taking entire benefit of Ajax, despite the fact that, calls for whatever greater than your ordinary "how-to" ebook. What it demands is Ajax Hacks from O'Reilly. This precious advisor presents direct, hands-on strategies that take the secret out of Ajax's many functions. each one hack represents a shrewdpermanent method to accomplish a particular activity, saving you numerous hours of attempting to find the suitable solution. a sensible number of eighty insider counsel and methods, Ajax Hacks covers the entire technology's finer issues. are looking to construct next-generation internet purposes at the present time? This publication can convey you ways. one of the multitude of issues addressed, it exhibits you strategies for: utilizing Ajax with Google Maps and Yahoo Maps exhibiting Weather.com facts Scraping inventory rates Fetching postal codes development internet kinds with auto-complete performance Ajax Hacks additionally encompasses a variety of complicated hacks for sped up internet builders. notice the way to create large, maintainable bookmarklets, the best way to use client-side garage for Ajax purposes, and the way to name a integrated Java item from JavaScript utilizing Ajax. The booklet even addresses top practices for checking out Ajax functions and enhancing upkeep, functionality, and reliability for JavaScript code. the newest in O"Reilly's celebrated Hacks sequence, Ajax Hacks well enhances different O'Reilly titles akin to Head Rush Ajax and JavaScript: The Definitive consultant.

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XMLHTTP refer to different versions of software components that are a part of Microsoft XML Core Services (MSXML). XMLHTTP, the ActiveXObject wrapper will try to initialize the last known good version of the object that has this program (or "prog") ID. 0, but almost no one these days has that version because it has been updated via Windows Update, IE 6, or another means. 0 was very short-lived. 0 libraries. " Although Microsoft and the engineers on the Mozilla project have chosen to implement this object differently, we will refer to the ActiveX and XMLHttpRequest objects simply as "request objects" throughout this book, because they have very similar functionality.

Com XML Data Feed Hack 32. Use Ajax with a Yahoo! Maps and GeoURL Mash-up Hack 33. Debug Ajax-Generated Tags in Firefox Hack 34. Fetch a Postal Code Hack 35. Create Large, Maintainable Bookmarklets Hack 36. Use Permanent Client-Side Storage for Ajax Applications Hack 37. Control Browser History with iframes Hack 38. Send Cookie Values to a Server Program Hack 39. Use XMLHttpRequest to Scrape an Energy Price from a Web Page Hack 40. Send an Email with XMLHttpRequest Hack 41. Find the Browser's Locale Information Hack 42.

As revealed in this chapter's hacks, it is typical now to submit form data and to build form widgets such as select lists and checkbox groups using server data fetched in the background with XMLHttpRequest. Because the page doesn't have to be completely rebuilt from a server response, the user experiences few application delays. These hacks show how to submit text from form fields and textareas and display server values in those fields, without making the user click a submit button. The hacks also generate various elements, such as select lists and unordered lists, using XMLHttpRequest and data that is dynamically accessed from a server.

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Ajax Hacks by Bruce W. Perry


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