ajax

What is the best method to detect offline mode in the browser?

I have a web application where there are number of Ajax components which refresh them selves every so often inside a page (its a dashboard of sorts). Now, I want to add functionality to the page so that when there is no Internet connectivity, the current content of the page doesn't change and a message appears on the page saying that th...

JQuery error option in $.ajax utility

The documentation indicates that the error: option function will make available: XHR instance, a status message string (in this case always error) and an optional exception object returned from the XHR instance (Book: JQuery in Action) Using the following (in the $.ajax call) I was able to determine I had a "parsererror" and a "timeout"...

Client View of Everyone Looking at a Webpage

First let me say that I really feel directionless on this question. I am using windows integrated security, and I can use vb.net to look up information about a user from AD. I also have other information about users I can look up from a MS SQL 2005 server by getting the logon identity name. What I would like to do is display information...

How do you get the response from the Request object in MooTools?

How do you access the response from the Request object in MooTools? I've been looking at the documentation and the MooTorial, but I can't seem to make any headway. Other Ajax stuff I've done with MooTools I haven't had to manipulate the response at all, so I've just been able to inject it straight into the document, but now I need to mak...

Javascript drawing library?

Any suggestion for a JS interactive drawing library? Just need to draw lines, polygons, texts of different colors. IE/Firefox/Opera/Safari compatible. ...

Any suggestions for effectively testing AJAX enabled web pages using MSVS Tester Edition Tools?

It seems like MS really left a massive gaping hole in their automated testing tools in Visual Studio for web pages with AJAX components and I have been hard pressed to find any commentary or third party add-ons that remedy the problem. Anyone have any advice on automating web tests in MSVS for AJAX pages? ...

Are there any free java/flash image editor plug-in/applets that i can include in my site?

I am currently re-developing an e-commerce back end system and I was wondering if anyone here had come accross a free ajax script/plug-in/flash file which could allow our users to upload an image and offer some basic editing tools, i.e. crop, rotate, resize? We currently have a PHP based image resizing tool using the GD library that sim...

What Cross-Browser Javascript Libraries Are Out There?

I'm gearing up to do some AJAX style client side Javascript in the near future and I've heard rave reviews of JQuery when it comes to this realm. What I'm wondering is: What are all the cross browser Javascript libraries out there? If you've used something, please share your experiences. And do your best to avoid bringing religion ...

Is anyone familiar with Jaxer? I'm looking for pros and cons.

I realize that this question has been asked before, but it has been a month with no decent responses... I'm looking at Aptana's Jaxer and I find the concept to be very exciting. Here is a quick overview for those who are not familiar with it: Jaxer is, in their words, "the world's first true AJAX server". It is based on the Mozilla...

ASP.NET webforms + ASP.NET Ajax versus ASP.NET MVC and Ajax framework freedom

If given the choice, which path would you take? ASP.NET Webforms + ASP.NET AJAX or ASP.NET MVC + JavaScript Framework of your Choice Are there any limitations that ASP.NET Webforms / ASP.NET AJAX has vis-a-vis MVC? ...

Does Ajax detoriate performance?

I was just wondering if excess use of Ajax affects performance? In context of big size web-applications how to handle ajax request to control asynchronous requests ...

How important do you think Progressive Enhancement is?

Progressive Enhancement is a web development methodology that not only allows greater portability and accessibility but in my opinion, makes the development process easier. What I want is to know what the rest of the community think of this approach. In particular: What do you believe is the minimum set of technologies that a web appli...

Biggest GWT Pitfalls?

I'm at the beginning/middle of a project that we chose to implement using GWT. Has anyone encountered any major pitfalls in using GWT (and GWT-EXT) that were unable to be overcome? How about from a performance perspective? A couple things that we've seen/heard already include: Google not being able to index content CSS and styling in ...

JSON and ASP.NET MVC

How do you return a serialized JSON object to the client side using ASP.NET MVC via an AJAX call? ...

How is AJAX implemented, and how does it help web dev?

From http://en.wikipedia.org/wiki/AJAX, I get a fairly good grasp of what AJAX is. However, it looks like in order to learn it, I'd have to delve into multiple technologies at the same time to get any benefit out of it. So two questions: What are resources that can help me understand/use AJAX? What sort of website would benefit from AJ...

Is there a list of AJAX JSF Libraries available?

I'm looking for an alternative to www.jsfmatrix.net to get a better idea of what JSF libraries are out there and to avoid having to write my own grid/table components. Or are these 27 the best the world has to offer (really only 3 are worth their salt.) ...

Use jQuery to replace my XMLHttpRequest

I am kind of new to JavaScript library's. I wanted to replace my current code with a JS lib jQuery. My current code looks like this. var req; function createRequest(){ var key = document.getElementById("key"); var keypressed = document.getElementById("keypressed"); keypressed.value = key.value; var url = "/My_Se...

Why won't an Ajax Script Work Locally?

I've an issue with the same piece of code running fine on my live website but not on my local development server. I've an Ajax function that updates a div. The following code works on the live site: self.xmlHttpReq.open("POST", PageURL, true); self.xmlHttpReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); self.x...

Add options to select box without Internet Explorer closing the box?

Hi, I'm trying to build a web page with a number of drop-down select boxes that load their options asynchronously when the box is first opened. This works very well under Firefox, but not under Internet Explorer. Below is a small example of what I'm trying to achieve. Basically, there is a select box (with the id "selectBox"), which ...

has anyone worked on Smartclient

Has anyone worked on smartclient (the RIA platform provided by Isomorphic)? I want to know if any online material/books available on this RIA ...