JQuery :: Ajax Event Model And That Of Microsoft Ajax Control Tool Kit
Mar 24, 2010
jquery provides ajaxStart() and ajaxStop() events. Those two events do not seem to be triggered if the ajax requests are made by Microsoft Ajax tool Kit (from ASP.Net code). Is there any way to bridge those two event models? If not currently possible, is there any future initiative or plan out there to make this happen?
This is really more a IE issue than jquery but I am using jquery.
Has anyone used this setTimeouts method from the IXMLHttpRequest2 object from IE.
I want to monkey path jquery calls with this call below. I tried this and I still get a property method error even though the method seems to be available. Has anyone experienced this?
With this Javascript code, I get this error "Object does not support this property or method" error. I checked that the methods are available and I do a check that the method is there. Am I sending the wrong number of args? Has anyone used this?
I am trying to use AJAX and JSON to do this. I have copied an example of using HttpRequest Object as the backbone of this from http://www.w3schools.com/dom/dom_http.asp. Further, I am enclosing both of my files here, in full as opposed to mere snippets. This code does what I wish it to do except:
1. It does not update when getdata.php is rewritten. On non MSIE broswers, it shows when first invoked, but not subsequently. 2. It fails altogether under MSIE (6.026 SP1 || SP2) -- I never get xmlhttp.readyState==4 under MSIE.
I have a element when click, it will trigger some other elements to be selected. and those elements will trigger elements in next level.
It is a three levels hierarchy so to speak. but each element will send an ajax request when selected. Those requests will become out of control especially when I repeatedly click the root element.
Can I queue those XHR request in a queue and send them one by one? or maybe add a delay before send so that they can collect their information into one batch request and send one request after that.
My original idea of two trains, however pictural it was, appeared to be wrong. The truth seems to be even more chaotic.
IE implements its standard down-up model: any mouse event goes from the deepest visible element to the top. By carefully studying fromElement and toElement properties, one can handle events on any point of their way up.
NN/FF implements a "Russian hills" style: mouse events go first up->down (window->deepest element), and right away after that it goes down->up (deepest element->window). On theory you can handle events during any phase on any level. On practice this implementation has some major flaws. I don't have NN handy right now, but in FF we have:
I've been looking through many AJAX tutorials but I just keep getting lost, they are all written by giving the final source code, and don't really help me.
What I want to do is VERY elementary, and I was wondering if the kind community of sitepoint would be willing to help me out a bit.
I have a dropdown box with any number of selections (lets say 3 to keep it simple) and depending on which one of those selections is made, an image loads beneath the dropdown box.
I've been searching for about 3 days on this topic. I'm trying to get a template field inside of an ASP.Net detailsview control inside of an ajax updatepanel to work with the jquery datepicker. Very frustrating! I'm using VB with VS 2010. I can get the datepicker to work fine with a simple text box inside of an update panel but when I put it inside of a detailsview control it stops working.
I am new to jQuery and I am trying to do an AJAX call. The only call I could get to work was getJSON (which is fine because my responses are always JSON). Firebug lets me know that the request goes out and the response that is returned is what expected, but the success function is never called. Based on the code below, I should get an alert with the response, but I don't. If the problem is a JSON parsing error, how do I find that out? If something else is the problem, what could it be?
I'll start off by saying I'm a novice developer. I'm building an mvc application and recently started using the jquery hotness. I've set up a right hand nav and bound click events for collapsible panes. Inside one of those divs (action pane) I've bound click events which will open a modal dialog with a form. The form is submitted with $.post(). Then I've used $.get() to refresh several divs with the new content. Once that happens, all of my links begin to fire twice (collapsible panes and the links in the action pane) in ie8 and the latest firefox but not in chrome. I pulled out all the markup and js and put it on a static test site: [URL].
I have a page that takes about 15 seconds to complete. But the page starts outputing content after a half second. Is there a way for jquery to throw an event at that time? For every chunk?
Maby there is a plugin that I can use where I can define "chunk"? Maby an event when there is a newline or some other marker.
My visitors would rather see something else than "please wait", if possible.
I have web video player that can display adds by inserting a div tag on top of the player after an amount of seconds that I specify.
I would like to manipulate the content of the div tag with jquery but I can't do this since the div tag is not present when the document is loaded.
I have looked into several options.
But all the solutions seems to rely on an event to happen - a link is clicked, some element is mouseovered and then jquery runs throug the DOM again.
But in this case no event occurs! The user click play (on a flash player) remove the hand from the mouse and 15 secs later the div tag with the add is displayed.
Is there any way to select this div tag and manipulate the content?
I am loading content into a page using the following: $("#someDiv).load("/Some.action",{id: someId}); The document that results from Some.action contains javascript at the top. I want the javascript to be executed when the resulting content is fully ready/loaded. I attempted to use the document ready:
I need to capture the click event, edit form action then re-submit the form with the captured input value appended to the end of the action. I would like the end url action to be google.com/tada
I'm loading a list of elements into mydiv with ajax, I want them to be selectable so I call the UI plugin selectable after the list has loaded.
The list building function produces this:
<div id='mydiv'> <ul id='mylist'> .... </ul>
[Code].....
The problem is, every time I click the link to reload the list via ajax, I get a duplicate selectable event handler created. Should I be removing the old event handlers before reloading the div ? if so, how?
Everything works, as in selectable still works, and only seems to fire once but I get ever growing memory usage in firefox and an ever growing list of event handlers in the firebug script tab. Eventually firefox starts to crawl and I have to restart the browser.
i was using $.ajax method to get my ajax page on my main page,which is working great.But now if i have links in that ajax page then i can't open them in that same div,the links are opening in new window,but i want to open in same part,i tried google it and then found, i have to use iframe instead of div.how to do with only use jquery and div.
i have a series of <select> fields. The first one, via ajax(), generates a 2nd one, based on the first ones' data with the .change() method. there is then a 3rd <select> - who's data will depend on choice of the second one although step 1 works, and i can generate the 2nd one, i still can't generate the 3rd one.
when i test the script on its own, both the 2nd and 3rd <select> fields are fine - but not via the ajax, which leads me to believe that the .change() from the 2nd one, isnt triggering the ajax call - its not being picked up (even the 'hello' alert isnt working).
I'm trying to load some html content into a page via the ajax .load() method (wrapped within the $(document).ready() function).After I execute this, I'd like to bind all new span elements from the loaded content to a context menu plugin like this:
$("#selector").contextMenu({ menu: ''myMenu'' },
[code]....
Unfortunately since the span elements are coming from the ajax request,I don't think I can bind a normal event handler as per the plugin. [URL] how to use event bubbling in this situation.
I've written some functions that seem to be able to handle parallel AJAX requests. However, I am not sure if they would work under all circumstances.My idea was to create a separate object for each AJAX request in order to bind the right handler function to the appropriate .onreadystatechange. I have used an array to store references to the created objects so that they would not be garbage collected as long as needed (see the lines commented out below). I have noticed, however, that everything works nicely even if I don't save these references -- so, with these lines commented out.
My question basically is whether it is safe to do so, and what prevents these objects from being deleted by the garbage collector. As both the event and the handler function appear to be in the same object, I think it will not stop the garbage collector.
In my code, ajax_req() is called to make a request; it will create the new ajax_abs object whose constructor takes care of the rest.
// ajaxrequests=new Array(); function ajax_abs(method,page,str,dest,todo,myno){ function init(){
[code]....
Furthermore, is it possible to tell the interpreter after the request succeeds, that now it should garbage-collect the object?