AJAX - The Complete Reference

PART II Chapter 5: Developing an Ajax Library 221 Function Description Example $$ Takes a CSS string as an argument and returns ...

222 Part II: Applied Ajax^ look carefully at the examples presented in the table, you can see the reason for the major criticism ...

PART II Chapter 5: Developing an Ajax Library 223 Scriptaculous Effects Because of the many helper functions built into Prototyp ...

224 Part II: Applied Ajax^ Property Description async A Boolean value indicating if the request is asynchronous or not. true by ...

PART II Chapter 5: Developing an Ajax Library 225 Digging farther into the raw source code of jQuery, it is clear that it is a b ...

226 Part II: Applied Ajax^ You could then go and shove this into the <div> called responseOutput. Normally, the innerHTML ...

PART II Chapter 5: Developing an Ajax Library 227 $(document).ready(function(){ $("#requestButton").click(function(){sendRequest ...

228 Part II: Applied Ajax^ when the load happens. The callback function will be passed responseText, status, and a response obje ...

PART II Chapter 5: Developing an Ajax Library 229 Ajax call example presented a few paragraphs earlier. If you look at it again, ...

230 Part II: Applied Ajax readers to look at Dojo for the simple reason that the Dojo team pushes the envelope and many of the i ...

6 Networking Considerations W eb delivery is fraught with risk. Servers go down, data can be lost, and connections can crawl. Aj ...

232 Part II: Developing an Ajax Library^ encounter application or data errors. For example, the server might send back the wrong ...

PART II Chapter 6: Networking Considerations 233 onTimeout : showFailure /* show failure is some user defined function */ }; In ...

234 Part II: Developing an Ajax Library^ times to retry a request. A callback bound to onRetry will be invoked in case there is ...

PART II Chapter 6: Networking Considerations 235 Retry depends on timeout or, as shown later, server errors, so the _timeoutRequ ...

236 Part II: Developing an Ajax Library^ FIGURE 6-2 Tr y, tr y, again ...

PART II Chapter 6: Networking Considerations 237 In cases outside the 200 range, particularly 400 and 500 requests, you should t ...

238 Part II: Developing an Ajax Library^ on200 : show200, onFail : showFail, on404 : show404, on500 : showServiceDown }; Figure ...

PART II Chapter 6: Networking Considerations 239 In this particular case, a JavaScript error is thrown because an attempt to par ...

240 Part II: Developing an Ajax Library^ var requestip = response.xhr.responseXML.getElementsByTagName("requestip")[0] .firstChi ...