What do the different readystates in XMLHttpRequest mean, and how can I use them?
XMLHttpRequest has 5 readystates, and I only use 1 of them (the last one, 4). What are the others for, and what practical applications can I use them in. ...
readystate
Ajax won't get past readyState 1, why?
Hi, i'm trying to get this function to work, which does a request for parameter 'url' then sends the responseText to 'callback' which is a function. But it seems that it only gets to readyState 1 (thanks to the firebug commands). Here it is: function Request(url, callback){ if (window.XMLHttpRequest) { // Mozilla, Safari, ... httpR...
XMLHttpRequest problem
Hi, I am writing one Web Application using XUL. In that Iam using AJAX XMLHttpRequest Object for sending request to server. When I use GPRS connection to send the request to the server from my web application the request is not going, but readyState has changed to 4 and status=0. If the request is not going out how the readyState is Cha...
How does XMLHttpRequest know when to invoke its callback?
Hello. From what I understand, if client side javascript code uses the XMLHttpRequest to make a POST request, it waits for a response and when it completes it changes its readystate to ReadyState.Complete and invokes the callback function. My question is: How does it determine that the response is complete? Does it return the content...
Comet Jetty/Tomcat, having some browser issues with Firefox and Chrome
I am exploring the use of Comet for a project I am working on. I tried creating a test application first using Tomcat6 and CometProcessor API and then with Jetty7 Continuations. The application is kind of working on both but I am having some issues with the actual display of messages. I used the technique of creating an XMLHttpRequest Co...
looking for overview of readystate and browsers
I'm finding a lot of problems with trying to determine readyState between IE8, FF3, and Chrome. so far this is what I find: Chrome, FF do not fire an event for .onReadyStateChanged Chrome, FF support .onLoad IE8 supports .onReadyStateChanged, but does not support .onLoad IE8 has also returned loaded, and complete. Mostly it states loa...
After Navigate2 Method returns S_OK Stuck at READYSTATE of READYSTATE_LOADING
I am working on a MFC Document View architecture application which has multiple documents and views and a tabbed window interface. I have been tasked with making an automatic switch to another tab on the press of the OK button in one of the other tabs. When the other tab is clicked on it uses a C++ wrapper over IWebBrowser2 to navigate...
Problem with Ajax submission?
I am using Ajax to post data to the server(PHP code) and update it. i am posting many data one after the other, but in between the Ajax post fails and dont return a readyState to 4. the code is as follows function getHttpRequest() { var request=false; if(window.XMLHttpRequest) { request=new XMLHttpRequest(); } els...
Why does InternetExplorer Object become unresponsive?
I am attempting to login to a password protected site. I'm using the InternetExplorer Object in VBScript. Error lies after oIE.readystate value is read one time - that is, in my loop, it reads the oIE.readystate value one time, but upon the second time oIE.readystate value is attempting to be read, I get a "800A01CE" runtime error, stati...
Different Behavior of XMLHttpRequest for <input type="button"> vs. <button>
Hey guys, Consider the following code: index.html <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <script type="text/javascript" src="script.js"></script> </head> <body> <form> <button id="getInfoButton1"></button> <in...
vb6: click button on HTMLDocument by code and wait for page to be loaded
hi, i'm using the mshtml.tlb for loading/parsing html and i'd like extend it for clicking elements by code. the problem is trapping the loading-process after eg. a button was clicked. in my specific case i'd like to perform a user-login. here's my code: Dim WithEvents m_doc As HTMLDocument ' load page Set m_docNU = New HTMLDocument S...