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  • WPF Animate and change Opacity of Image in sequence

    - by user1103757
    I have three images, two of these images animate as follow and third image should blink: <Window.Resources> <Storyboard x:Key="AnimateTarget" RepeatBehavior="Forever"> <DoubleAnimationUsingKeyFrames BeginTime="0:0:0" Duration="0:00:03" Storyboard.TargetName="img1" Storyboard.TargetProperty="Y"> <EasingDoubleKeyFrame KeyTime="0:0:0" Value="0" /> <EasingDoubleKeyFrame KeyTime="0:0:1" Value="200" /> <EasingDoubleKeyFrame KeyTime="0:0:2" Value="0" /> </DoubleAnimationUsingKeyFrames> <DoubleAnimationUsingKeyFrames BeginTime="0:0:2" Duration="0:00:03" Storyboard.TargetName="img2" Storyboard.TargetProperty="x"> <EasingDoubleKeyFrame KeyTime="0:0:0" Value="0" /> <EasingDoubleKeyFrame KeyTime="0:0:1" Value="200" /> <EasingDoubleKeyFrame KeyTime="0:0:2" Value="0" /> </DoubleAnimationUsingKeyFrames> <DoubleAnimation BeginTime="0:0:4" Duration="0:0:0.5" Storyboard.TargetProperty="(Image.Opacity)" Storyboard.TargetName="img3" From="1.0" To="0.0" RepeatBehavior="Forever" AutoReverse="True" /> </Storyboard> </Window.Resources> The first two images are animating fine but the third image doesn’t blink, it will do nothing and just stay there as you can see I have used the following code for blinking the third image: <DoubleAnimation BeginTime="0:0:4" Duration="0:0:0.5" Storyboard.TargetProperty="(Image.Opacity)" Storyboard.TargetName="img3" From="1.0" To="0.0" RepeatBehavior="Forever" AutoReverse="True" /> Also this is a code for the third image: <Image Height="65" Name="image1" Stretch="Fill" Width="67" Source="/PicTakeWPF;component/Images/422505_110594629067212_100003500265268_37406_1212153553_n.jpg"> <Image.RenderTransform> <TranslateTransform x:Name="img3"></TranslateTransform> </Image.RenderTransform> </Image> I would appreciate if someone helps me on this Thanks,

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  • DataTables warning (table id = 'example-advanced'): Cannot reinitialise DataTable while using treetable and datatable at the same time

    - by Nyaro
    DataTables warning (table id = 'example-advanced'): Cannot reinitialise DataTable while using treetable and datatable at the same time. Here is my code: <script src="jquery-1.7.2.min.js"></script> <script src='jquery.dataTables.min.js'></script> <script src="jquery.treetable.js"></script> <script> $("#example-advanced").treetable({ expandable: true }); </script> <script> $('#example-advanced').dataTable( { "bSort": false } ); </script> Actually I wanted to get rid of the sorting part of the datatable coz it was giving error in treetable display so i want the sorting part from the datatable out and keep other functions like search and pagination. Please help me out. Thanks in advance.

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  • Un plugin jQuery multitâche : méthode de construction personnelle et exemples. Adapter jQuery à vos besoins, niveau 2, par Daniel Hagnoul

    Plugin multitâche : méthode de construction personnelle et exemples Adapter jQuery à vos besoins, niveau 2 Résumé : La plupart des plugins exécutent une seule tâche et les méthodes d'écriture de plugin utilisées dans « Mon Cahier d'exercices », dans la FAQ jQuery et dans l'article « Adapter jQuery à vos besoins » couvrent la majorité des besoins. Lorsque l'on souhaite inclure la modification des options et implémenter plusieurs méthodes on doit penser multitâche . Dans cet ...

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  • Posting from ASP.NET WebForms page to another URL

    - by hajan
    Few days ago I had a case when I needed to make FORM POST from my ASP.NET WebForms page to an external site URL. More specifically, I was working on implementing Simple Payment System (like Amazon, PayPal, MoneyBookers). The operator asks to make FORM POST request to a given URL in their website, sending parameters together with the post which are computed on my application level (access keys, secret keys, signature, return-URL… etc). So, since we are not allowed nesting another form inside the <form runat=”server”> … </form>, which is required because other controls in my ASPX code work on server-side, I thought to inject the HTML and create FORM with method=”POST”. After making some proof of concept and testing some scenarios, I’ve concluded that I can do this very fast in two ways: Using jQuery to create form on fly with the needed parameters and make submit() Using HttpContext.Current.Response.Write to write the form on server-side (code-behind) and embed JavaScript code that will do the post Both ways seemed fine. 1. Using jQuery to create FORM html code and Submit it. Let’s say we have ‘PAY NOW’ button in our ASPX code: <asp:Button ID="btnPayNow" runat="server" Text="Pay Now" /> Now, if we want to make this button submit a FORM using POST method to another website, the jQuery way should be as follows: <script src="http://ajax.aspnetcdn.com/ajax/jquery/jquery-1.5.1.js" type="text/javascript"></script> <script type="text/javascript">     $(function () {         $("#btnPayNow").click(function (event) {             event.preventDefault();             //construct htmlForm string             var htmlForm = "<form id='myform' method='POST' action='http://www.microsoft.com'>" +                 "<input type='hidden' id='name' value='hajan' />" +             "</form>";             //Submit the form             $(htmlForm).appendTo("body").submit();         });     }); </script> Yes, as you see, the code fires on btnPayNow click. It removes the default button behavior, then creates htmlForm string. After that using jQuery we append the form to the body and submit it. Inside the form, you can see I have set the htttp://www.microsoft.com URL, so after clicking the button you should be automatically redirected to the Microsoft website (just for test, of course for Payment I’m using Operator's URL). 2. Using HttpContext.Current.Response.Write to write the form on server-side (code-behind) and embed JavaScript code that will do the post The C# code behind should be something like this: public void btnPayNow_Click(object sender, EventArgs e) {     string Url = "http://www.microsoft.com";     string formId = "myForm1";     StringBuilder htmlForm = new StringBuilder();     htmlForm.AppendLine("<html>");     htmlForm.AppendLine(String.Format("<body onload='document.forms[\"{0}\"].submit()'>",formId));     htmlForm.AppendLine(String.Format("<form id='{0}' method='POST' action='{1}'>", formId, Url));     htmlForm.AppendLine("<input type='hidden' id='name' value='hajan' />");     htmlForm.AppendLine("</form>");     htmlForm.AppendLine("</body>");     htmlForm.AppendLine("</html>");     HttpContext.Current.Response.Clear();     HttpContext.Current.Response.Write(htmlForm.ToString());     HttpContext.Current.Response.End();             } So, with this code we create htmlForm string using StringBuilder class and then just write the html to the page using HttpContext.Current.Response.Write. The interesting part here is that we submit the form using JavaScript code: document.forms["myForm1"].submit() This code runs on body load event, which means once the body is loaded the form is automatically submitted. Note: In order to test both solutions, create two applications on your web server and post the form from first to the second website, then get the values in the second website using Request.Form[“input-field-id”] I hope this was useful post for you. Regards, Hajan

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  • $.fadeTo/fadeOut() operations on Table Rows in IE fail

    - by Rick Strahl
    Here’s a a small problem that one of customers ran into a few days ago: He was playing around with some of the sample code I’ve put out for one of my simple jQuery demos which deals with providing a simple pulse behavior plug-in: $.fn.pulse = function(time) { if (!time) time = 2000; // *** this == jQuery object that contains selections $(this).fadeTo(time, 0.20, function() { $(this).fadeTo(time, 1); }); return this; } it’s a very simplistic plug-in and it works fine for simple pulse animations. However he ran into a problem where it didn’t work when working with tables – specifically pulsing a table row in Internet Explorer. Works fine in FireFox and Chrome, but IE not so much. It also works just fine in IE as long as you don’t try it on tables or table rows specifically. Applying against something like this (an ASP.NET GridView): var sel = $("#gdEntries>tbody>tr") .not(":first-child") // no header .not(":last-child") // no footer .filter(":even") .addClass("gridalternate"); // *** Demonstrate simple plugin sel.pulse(2000); fails in IE. No pulsing happens in any version of IE. After some additional experimentation with single rows and various ways of selecting each and still failing, I’ve come to the conclusion that the various fade operations in jQuery simply won’t work correctly in IE (any version). So even something as ‘elemental’ as this: var el = $("#gdEntries>tbody>tr").get(0);$(el).fadeOut(2000); is not working correctly. The item will stick around for 2 seconds and then magically disappear. Likewise: sel.hide().fadeIn(5000); also doesn’t fade in although the items become immediately visible in IE. Go figure that behavior out. Thanks to a tweet from red_square and a link he provided here is a grid that explains what works and doesn’t in IE (and most last gen browsers) regarding opacity: http://www.quirksmode.org/js/opacity.html It appears from this link that table and row elements can’t be made opaque, but td elements can. This means for the row selections I can force each of the td elements to be selected and then pulse all of those. Once you have the rows it’s easy to explicitly select all the columns in those rows with .find(“td”). Aha the following actually works: var sel = $("#gdEntries>tbody>tr") .not(":first-child") // no header .not(":last-child") // no footer .filter(":even") .addClass("gridalternate"); // *** Demonstrate simple plugin sel.find("td").pulse(2000); A little unintuitive that, but it works. Stay away from <table> and <tr> Fades The moral of the story is – stay away from TR, TH and TABLE fades and opacity. If you have to do it on tables use the columns instead and if necessary use .find(“td”) on your row(s) selector to grab all the columns. I’ve been surprised by this uhm relevation, since I use fadeOut in almost every one of my applications for deletion of items and row deletions from grids are not uncommon especially in older apps. But it turns out that fadeOut actually works in terms of behavior: It removes the item when the timeout’s done and because the fade is relatively short lived and I don’t extensively test IE code any more I just never noticed that the fade wasn’t happening. Note – this behavior or rather lack thereof appears to be specific to table table,tr,th elements. I see no problems with other elements like <div> and <li> items. Chalk this one up to another of IE’s shortcomings. Incidentally I’m not the only one who has failed to address this in my simplistic plug-in: The jquery-ui pulsate effect also fails on the table rows in the same way. sel.effect("pulsate", { times: 3 }, 2000); and it also works with the same workaround. If you’re already using jquery-ui definitely use this version of the plugin which provides a few more options… Bottom line: be careful with table based fade operations and remember that if you do need to fade – fade on columns.© Rick Strahl, West Wind Technologies, 2005-2010Posted in jQuery  

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  • Am I crazy? Demos on jQuery's 'effects' page not working in any browser

    - by Mega Matt
    Hi all, I want to make sure I'm not crazy, because I can't get any of the effects demos to work on jQuery's demo pages. I thought it might be my new Firebug version (1.5.2) or Firefox in general, but they're not working in IE or Chrome either. Here are the links where the demos aren't working. One is for highlight, and the other is for explode. Incidentally, highlight is the one that I'm trying to use. Could it be the new jQuery UI version? Is anyone else having these not work? Effect 1 Effect 2

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  • Handy Generic JQuery Functions

    - by Steve Wilkes
    I was a bit of a late-comer to the JQuery party, but now I've been using it for a while it's given me a host of options for adding extra flair to the client side of my applications. Here's a few generic JQuery functions I've written which can be used to add some neat little features to a page. Just call any of them from a document ready function. Apply JQuery Themeroller Styles to all Page Buttons   The JQuery Themeroller is a great tool for creating a theme for a site based on colours and styles for particular page elements. The JQuery.UI library then provides a set of functions which allow you to apply styles to page elements. This function applies a JQuery Themeroller style to all the buttons on a page - as well as any elements which have a button class applied to them - and then makes the mouse pointer turn into a cursor when you mouse over them: function addCursorPointerToButtons() {     $("button, input[type='submit'], input[type='button'], .button") .button().css("cursor", "pointer"); } Automatically Remove the Default Value from a Select Box   Required drop-down select boxes often have a default option which reads 'Please select...' (or something like that), but once someone has selected a value, there's no need to retain that. This function removes the default option from any select boxes on the page which have a data-val-remove-default attribute once one of the non-default options has been chosen: function removeDefaultSelectOptionOnSelect() {     $("select[data-val-remove-default='']").change(function () {         var sel = $(this);         if (sel.val() != "") { sel.children("option[value='']:first").remove(); }     }); } Automatically add a Required Label and Stars to a Form   It's pretty standard to have a little * next to required form field elements. This function adds the text * Required to the top of the first form on the page, and adds *s to any element within the form with the class editor-label and a data-val-required attribute: function addRequiredFieldLabels() {     var elements = $(".editor-label[data-val-required='']");     if (!elements.length) { return; }     var requiredString = "<div class='editor-required-key'>* Required</div>";     var prependString = "<span class='editor-required-label'> * </span>"; var firstFormOnThePage = $("form:first");     if (!firstFormOnThePage.children('div.editor-required-key').length) {         firstFormOnThePage.prepend(requiredString);     }     elements.each(function (index, value) { var formElement = $(this);         if (!formElement.children('span.editor-required-label').length) {             formElement.prepend(prependString);         }     }); } I hope those come in handy :)

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  • Using Telerik MVC with your own custom jQuery and or other plug-ins

    - by Steve Clements
    If you are using MVC it might be worth checking out the telerik controls (http://demos.telerik.com/aspnet-mvc), they are free if you are doing an internal or “not for profit” application. If however you do choose to use them, you could come up against a little problem I had.  Using the telerik controls with your own custom jQuery.  In my case I was using the jQuery UI dialog. It kept throwing an error where I was setting my div to a dialog. Code Snippet $("#textdialog").dialog({ The problem is when you use the telerik mvc stuff you need to call ScriptRegistrar Code Snippet @Html.Telerik().ScriptRegistrar() in order to setup the javascript for the controls. By default this adds a reference to jQuery and if you have already added a reference to jQuery because you are using it elsewhere, this causes a problem. I found the solution here And it was to change the above ScriptRegistrar call to this… Code Snippet @Html.Telerik().ScriptRegistrar().jQuery(false).DefaultGroup(g => g.Combined(true).Compress(true));   If you come across this one on stackoverflow it wont work – in my case the HtmlEditor would render no problem, but was unusable.  Which is the same as someone else found when using the tab control – they went to the bother of re-writing the ScriptRegistrar.  Not for me that one!!

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  • jQuery 1.8 b1 est disponible, le code du framework est maintenant réparti dans différents modules

    jQuery 1.8 b1 est disponible jQuery est utilisé par 50 % des grands sites du web, mais les navigateurs et les appareils sur lesquels il fonctionne ont beaucoup changé depuis 6 ans. De même, la manière et les outils pour concevoir un site web se modifient rapidement. jQuery doit s'adapter en permanence à son environnement. Comme il en a été décidé lors de la sortie de la version 1.7, l'équipe de développement se pose maintenant en permanence les questions : « Cet ajout est-il indispensable ? Que peut-on supprimer ? » De nouvelles obsolescences ont été ajoutées à la liste des obsolescences annoncées à l'époque. Ces questions sont cruciales dans le domaine des appareils mobiles, jQuery doit mettre à la disposition du dé...

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  • AJAX basics with jQuery in ASP.NET

    ASP.NET now has support for the jQuery JavaScript library. Although ASP.NET integrated AJAX technology by introducing the is the UpdatePanel server control, jQuery offers an alternative, and more versatile, way of doing it and a great deal more besides. Matteo shows how easy it is to get started with using jQuery.

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  • A Simple Collapsible Menu with jQuery

    - by Vincent Maverick Durano
    In this post I'll demonstrate how to make a simple collapsible menu using jQuery. To get started let's go ahead and fire up Visual Studio and create a new WebForm.  Now let's build our menu by adding some div, p and anchor tags. Since I'm using a masterpage then the ASPX mark-up should look something like this:   1: <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> 2: <div id="Menu"> 3: <p>CARS</p> 4: <div class="section"> 5: <a href="#">Car 1</a> 6: <a href="#">Car 2</a> 7: <a href="#">Car 3</a> 8: <a href="#">Car 4</a> 9: </div> 10: <p>BIKES</p> 11: <div class="section"> 12: <a href="#">Bike 1</a> 13: <a href="#">Bike 2</a> 14: <a href="#">Bike 3</a> 15: <a href="#">Bike 4</a> 16: <a href="#">Bike 5</a> 17: <a href="#">Bike 6</a> 18: <a href="#">Bike 7</a> 19: <a href="#">Bike 8</a> 20: </div> 21: <p>COMPUTERS</p> 22: <div class="section"> 23: <a href="#">Computer 1</a> 24: <a href="#">Computer 2</a> 25: <a href="#">Computer 3</a> 26: <a href="#">Computer 4</a> 27: </div> 28: <p>OTHERS</p> 29: <div class="section"> 30: <a href="#">Other 1</a> 31: <a href="#">Other 2</a> 32: <a href="#">Other 3</a> 33: <a href="#">Other 4</a> 34: </div> 35: </div> 36: </asp:Content>   As you can see there's nothing fancy about the mark up above.. Now lets go ahead create a simple CSS to set the look and feel our our Menu. Just for for the simplicity of this demo, add the following CSS below under the <head> section of the page or if you are using master page then add it a the content head. Here's the CSS below:   1: <asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="server"> 2: <style type="text/css"> 3: #Menu{ 4: width:300px; 5: } 6: #Menu > p{ 7: background-color:#104D9E; 8: color:#F5F7FA; 9: margin:0; 10: padding:0; 11: border-bottom-style: solid; 12: border-bottom-width: medium; 13: border-bottom-color:#000000; 14: cursor:pointer; 15: } 16: #Menu .section{ 17: padding-left:5px; 18: background-color:#C0D9FA; 19: } 20: a{ 21: display:block; 22: color:#0A0A07; 23: } 24: </style> 25: </asp:Content>   Now let's add the collapsible effects on our menu using jQuery. To start using jQuery then register the following script at the very top of the <head> section of the page or if you are using master page then add it the very top of  the content head section.   <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js" ></script>   As you can see I'm using Google AJAX API CDN to host the jQuery file. You can also download the jQuery here and host it in your server if you'd like. Okay here's the the jQuery script below for adding the collapsible effects:   1: <script type="text/javascript"> 2: $(function () { 3: $("a").mouseover(function () { $(this).addClass("highlightRow"); }) 4: .mouseout(function () { $(this).removeClass("highlightRow"); }); 5:   6: $(".section").hide(); 7: $("#Menu > p").click(function () { 8: $(this).next().slideToggle("Slow"); 9: }); 10: }); 11: </script>   Okay to give you a little bit of explaination, at line 3.. what it does is it looks for all the "<a>" anchor elements on the page and attach the mouseover and mouseout event. On mouseover, the highlightRow css class is added to <a> element and on mouse out we remove the css class to revert the style to its default look. at line 6 we will hide all the elements that has a class name set as "section" and if you look at the mark up above it is refering to the <div> elements right after each <p> element. At line 7.. what it does is it looks for a <p> element that is a direct child of the element that has an ID of "Menu" and then attach the click event to toggle the visibilty of the section. Here's how it looks in the page: On Initial Load: After Clicking the Section Header:   That's it! I hope someone find this post usefu!   Technorati Tags: ASP.NET,JQuery,Master Page,JavaScript

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  • jQuery - window focus, blur events not triggering - works in Firefox and Chrome

    - by brian newman
    In a nutshell; I wrote a simplistic chat application for a buddy and me to use. When the window running the application does not have the focus (minimized or behind other windows) and a message comes in, I want to change the windows title bar to serve as an alert. Exactly like Google's chat application does in GMail. Everything works flawlessly in Firefox and Chrome but not in IE7 (haven't tested 8). This is the code I am using to determine if the window has focus. Can this be written differently to also work in IE? Also, I'm open to any other approaches to accomplish the same thing. Many thanks in advance. $(window).bind("blur", function() { hasfocus = false; }); $(window).bind("focus", function() { hasfocus = true; });

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  • Ajax call from a form rendered as Ajax response (jQuery + Grails: chaining ajax requests)

    - by bsreekanth
    Hello, I was expecting the below scenario common, but couldn't find much help online. I have a form loaded through Ajax (say, create entity form). It is loaded through a button click (load) event $("#bt-create").click(function(){ $ ('#pid').load('/controller/vehicleModel/create3'); return false; }); the response (a form) is written in to the pid element. The name and id of the form is ajax-form, and the submit event is attached to an ajax post request $(function() { $("#ajax-form").submit(function(){ // do something... var url = "/app/controller/save" $.post(url, $(this).serialize(), function(data) { alert( data ) ; /// alert data from server }); I could make the above ajax operations individually. That is the ajax post operation succeeds if it calls from a static html file. But if I chain the requests (after completing the first), so that it calls from the output form generated by the first request, nothing happens. I could see the post method is called through firebug. Is there a better way to handle above flow? One more interesting thing I noticed. As you could see, I use grails as my platform. If I keep the javascripts in the main.gsp (master layout), the submit event would not register as the breakpoint is not hit in firebug. But, if I define the javascript in the template file (which renders the form above), the breakpoint is hit, but as I explained, the action is not called at the controller. I changes the javascript to the head section but same result. any help greatly appreciated. thanks, Babu.

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  • JQuery Json error: Object doesn't support this property or method

    - by Abu Hamzah
    ERROR: Microsoft JScript runtime error: Object doesn't support this property or method i am using WCF service to pull the data and its very simple for the purpose of test and it does returning me the data from wcf service but it fails on json2.js on line number 314-316 // We split the first stage into 4 regexp operations in order to work around // crippling inefficiencies in IE's and Safari's regexp engines. First we // replace all backslash pairs with '@' (a non-JSON character). Second, we // replace all simple value tokens with ']' characters. Third, we delete all // open brackets that follow a colon or comma or that begin the text. Finally, // we look to see that the remaining characters are only whitespace or ']' or // ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval. if (/^[\],:{}\s]*$/.test(text.replace(/\\["\\\/bfnrtu]/g, '@'). replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']'). replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { here is what i am doing function serviceProxy(wjOrderServiceURL) { var _I = this; this.ServiceURL = wjOrderServiceURL; // *** Call a wrapped object this.invoke = function (options) { // Default settings var settings = { serviceMethod: '', data: null, callback: null, error: null, type: "POST", processData: false, contentType: "application/json", dataType: "text", bare: false }; if (options) { $.extend(settings, options); } function GetFederalHolidays() { $("#dContacts1").empty().html('Searching for Active Contacts...'); ContactServiceProxy.invoke({ serviceMethod: "Holidays", callback: function (response) { // ProcessActiveContacts1(response); debugger }, error: function (xhr, errorMsg, thrown) { postErrorAndUnBlockUI(xhr, errorMsg, thrown); } }); } any help what iam doing wrong? i try to change from dataType: text to json but i get the same error above.

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  • jquery fullcalendar - viewDisplay to pass selected month to events (reload events per month)

    - by newbieToFullCalendar
    Hi, How can I pass the selected month from viewDisplay to the events function (which is a php call to the DB to load the events)? Only events for one month should get loaded at a time, but I'm afraid of what might happen if the user decides to click 'next' multiple times really quickly... My other option is to load 6 months forward and 6 months backwards of events so when the user moves between months, it would be seamless, but there are at least three events per day everyday so I'm guessing that would take some time to load. $('#calendar').fullCalendar({ theme: true, slotMinutes: 60, defaultView: 'month', lazyFetching: false, viewDisplay: function(view) { document.forms[0].elements['currentMonth'].value = view.title; alert('The new title of the view is ' + document.forms[0].elements['currentMonth'].value); }, events: <?php include('load_json_events.php'); ?> });

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