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  • JavaScript OnClick Handler Not Invoking

    - by potatolicious
    I'm calling a javascript function in an inline onclick like so: <a href="#" onclick="removeAttribute('foo', 'bar');">Some Link</a> When I click on the link, though, nothing happens. I have other links (to other functions) tied to onclicks that work fine elsewhere on the same page. All links to this "removeAttribute" function fail. There are no errors in Firebug, and the onclick event handler is being invoked - but stepping into the removeAttribute function ends up, for some reason, somewhere in jQuery.js. At no point does removeAttribute ever get called. If I do: javascript:removeAttribute('foo', 'bar'); in Firefox's address bar. The function is called successfully. Anyone seen this?

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  • fieldset form with Table-like layout with CSS?

    - by Scott B
    I have an application in which I'm currently using a two column table in order to get accurate cell alignment of the left column labels/descriptions with the right column form fields. I'd like to convert it to css and use jQuery to expand/collapse specific sections. I've seen some jQuery libraries, the menu.js in particular. And they appear to all use list items for the markup. I'm OK with converting my table to UL/LI structure if that's what I need to do. Just looking for some advice.

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  • codeigniter csrf protection with ajax

    - by Yarandi
    i have a small problem here which i cannot fix,This post goes through but the response returns a “500 internal server error” who to fix it? JS in view: function load(value) { var utype = value; if(utype>0) { new Ajax.Request('<?php echo base_url().'another/load';?>'+'/'+utype, { method:'post', onSuccess: function(transport){ var response = transport.responseText || "no response text"; if(response!="no response text") document.getElementById('prog_id').innerHTML = response; }, onFailure: function(){ alert('Something went wrong ...') } }); } error in firebug : An Error Was Encountered The action you have requested is not allowed. when i change CSRF protection to False in config file its work for me.but i want protect this request with CSRF enabled. after search in CI forum i found this this link codeigniter-csrf-protection-with-ajax but i cant solve by it.can any one help me?

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  • HTML Audio performance

    - by user1888309
    I'm working on HTML drum machine, and I`ve met some performance issues, rhythm start to break if BPM is higher than 110 but I'm expecting to make it work on BPM over 180. I guess that it can be related with format or codec of audio files, however it also maybe that my code is not very optimised (as I can see from JS CPU profiling it's not). So I'm expecting you guys give me some code review or some hints on optimisation. Although all similar projects I've found on internet didn't work good and maybe it's just restrictions of Audio API. By the way, it's very raw and sounds works only on Chrome under Mac OS, so any advise on audio encoding for web also would be great Project on Github pages Screenshot of Groove which breaks UPDATE Ok, I've found that I was encoding audio files incorrectly, after fixing that rhythm stopped breaking, and also it started working in Mozilla. But still there are issues on windows OS.

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  • Weird Behavior with Jquery image slideshow... Help!

    - by Thomas
    I built a jquery slideshow based on the tutorial found here: http://www.queness.com/post/152/simple-jquery-image-slide-show-with-semi-transparent-caption It seems to be working perfectly fine, except that it behaves strangley right at the beginning when it displays the first image. The first image appears like normal and then flashes, fades to white and disappears completely. After that, the first slide reappears and behaves normally, transitioning to the next image. The slideshow in question is center page on the right: http://www.loftist.com/ I am not a JS developer, so I am not sure how to troubleshoot this problem. Any help would be greatly appreciated, thanks!

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  • jQuery AJAX get request - cannot see returned data

    - by Wes
    I think I am missing something obvious here, but I can't figure it out. I expect the following HTML to alert a response from the server. But, the alert is empty. I can see in Wireshark that the expected response is coming back to me from the server. Why is it not populated in the data variable? <html> <head> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> </head> <body> <script type="text/javascript"> $.get("http://www.geocommunicator.gov/TownshipGeocoder/TownshipGeocoder.asmx/GetTRS", {'Lat': 41, 'Lon': -93, 'Units': 'eDD', 'Datum': ''}, function(data) { alert('data:'+data); }); </script> </body> </html>

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  • jQuery, my function is return a FUNCTION and not an integer?

    - by AnApprentice
    Hello, i have the following func: viewModel.unreadCount = ko.dependentObservable(function() { var unreadCount = 0; for (var i = 0; i x< xxxxxxxxxxxx.length; i++) { if (xxxxxx == false) { unreadCount++; } } return unreadCount; }, viewModel); When I use this in knockout JS, I can't do a simple if (viewModel.unreadCount()==0), like this: <div data-bind="visible: viewModel.unreadCount()==0"> It turns out because when I run: <p>${ (typeof viewModel.unreadCount) }</p> I get "function" Any ideas why that is and how I can get it to return an INT so I can do an if statement? Thanks

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  • Can't register 32bit dll under 64bit windows

    - by Wodzu
    Hi guys. I try to create a COM object from my JS script like this: function main() { var MyApplication = new ActiveXObject("Base.Application"); } main(); I am getting error: "Automation server can't create object". This error occurs on Windows 2003 64 bit. The dll is 32 bit and it works fine on 32 bit systems. I've tried both versions of Regsvr32.exe on the 64 bit system and both versions told me that dll registered succesfully. Unfortunatelly the error message does not tell me why it can not create object. The reason is unknown, it might be that it can't create object because it is still not registered or it might be something totally different... I've also add full permisions to this dll. I don't know what else I can do, do you have any ideas?

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  • x.lastChild.nodeValue

    - by Zeb-ur-Rehman
    <html> <head> <script type="text/javascript" src="jQuery.js"> <script type="text/javascript"> x=document.getElementByTagName("p"); document.write(x.lastChild.nodeValue); </script> </head> <body> <p id="intro">Hello World 1!</p> <p id="intro">Hello World 2!</p> <p id="intro">Hello World 3!</p> </body> </html> Why doesn't the above code work. I want to show [Hello World 3!] by using the statement documetn.write(x.lastChild.nodeValue()); Thanks in advance...

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  • Which is better: string html generation or jquery DOM element creation?

    - by Ed Woodcock
    Ok, I'm rewriting some vanilla JS functions in my current project, and I'm at a point where there's a lot of HTML being generated for tooltips etc. My question is, is it better/preferred to do this: var html = '<div><span>Some More Stuff</span></div>'; if (someCondition) { html += '<div>Some Conditional Content</div>'; } $('#parent').append(html); OR var html = $('<div/>').append($('<span/>').append('Some More Stuff')); if (someCondition) { html.append($('<div/>').append('Some conditionalContent'); } $('#parent').append(html); ?

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  • how to use trigger in Jquery to pass parameter data as well as control (this)

    - by Shantanu Gupta
    I am trying to use same validation funtion for all my controls. But I dont know much in jquery and not been able to pass event handler to the trigger. I want to pass textbox id to my custom function. How can i do this <script src="http://code.jquery.com/jquery-latest.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("#txtFirstName").bind('focusout', function() { $(this).trigger("customblurfocus",[$(this).val(), $(this).val() + " Required !", "Ok !"]); } ); $(this).bind('customblurfocus',function(defaultInputValue,ErrorMessage,ValidMessage) {alert($(this).val()); if($(this).val()=="" || $(this).val()==defaultInputValue) { $(this).val(defaultInputValue); $(this).siblings("span[id*='error']").toggleClass("error_set").text(ErrorMessage).fadeOut(3000); } else { $(this).siblings("span[id*='error']").toggleClass("error_ok").text(ValidMessage).show(1000); } } ); }); </script>

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  • Where can I find a jQuery color animation plugin?

    - by George Edison
    I need an up-to-date jQuery color animation plugin that works in IE 8. I tried using the one at http://plugins.jquery.com/project/color but it causes errors like "Invalid property value." in the following line of code from color.js: fx.elem.style[attr] = "rgb(" + [ Math.max(Math.min( parseInt((fx.pos * (fx.end[0] - fx.start[0])) + fx.start[0]), 255), 0), Math.max(Math.min( parseInt((fx.pos * (fx.end[1] - fx.start[1])) + fx.start[1]), 255), 0), Math.max(Math.min( parseInt((fx.pos * (fx.end[2] - fx.start[2])) + fx.start[2]), 255), 0) ].join(",") + ")"; Where can I get something that works? By the way, I really hate IE, if that helps.

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  • Drag big picture in small layer?

    - by Tronic
    Hi, I need a plugin for jquery or another js framework, where I can define a small div where i can drag around a big picture, so i get only a clipping of the picture. any ideas? edit: i try to explain i have a small div, like 600px x 450px. this div behaves like a clipping window for a big picture with like 3000px x 2000px. so i only see a specific cutout of the big picture. and i need to drag that big picture around in this small clipping window! c

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  • jquery to construct a string and pass it as a post argument for file

    - by user253530
    I have this js code: $("#startSearch").live("click", function(event){ $("input:checkbox[name='searchId']:checked").each(function(){ var searchId = $(this).val(); var host = ''; $.post("php/autosearch-get-host.php",{sId: searchId},function(data){ host = 'http://' + data + '/index.php'; }); //alert(host); $.getJSON(host,{searchId: $(this).val()},function(){ pagination("php/pagination.php", $('#currentPage').val(), $('#sortBy').val(), $("#sortMode").val(), "autosearch"); }); }); }); The php file php/autosearch-get-host.php returns a string with the host name. What i want is to get the host from the database, create the URL using string concatenation and pass it as an argument to another $.post. $.post should use that URL like this: $.getJSON(host,{searchId: $(this).val()},function() { pagination("php/pagination.php", $('#currentPage').val(), $('#sortBy').val(), $("#sortMode").val(), "autosearch"); });

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  • Javascript / Flash : When exactly are flash external callback methods triggered ?

    - by felace
    I have a flash application using callbacks to javascript functions (eg. when it receives some data over a socket, it'll call a js script which would change the content of a div according to that given data). Afaik, there is no actual mutual exclusion in javascript so I'm not sure if I can/need to simulate something like : callbackFunc() { lock(mutex1) foo unlock(mutex1) } ... someOtherFunc() { lock(mutex1) bar unlock(mutex1) } So, the question is, when are those callbacks called ? Are they simply queued to be executed right after the browser finishes its task or are they triggered randomly ?

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  • javascript and extJs - scope question

    - by ben
    Hi guys, I got a little scope related problem with some js code, maybe somebody can explain to me what I'm making wrong: I'm using extJs and got this snippet: Ext.onReady(function(){ // Form for filter selection var formFilter = new Ext.FormPanel({ // ... items: [ cbGroup = new Ext.form.ComboBox({ fieldLabel: 'Group', store: dsGroups, displayField: 'name', valueField: 'number', emptyText : '- Please choose a group -', listeners:{ 'select': function() { alert(cbGroup.selectedIndex +' '+this.selectedIndex); } } }) ] }); }); The problem: When I access the combobox over 'this' within the listener function, I get the correct result for the selectIndex property. When I access the combobox over it's var name, I allways get the result '-1'. Thank a lot for your help!

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  • Most valued skill set in web development industry/what should I be doing now? (Kinda random "career"

    - by Andrew
    I want to be a web programmer [when I grow up?] because it's what I like doing, and I really do thoroughly enjoy it (web development in general, actually). I have about 2 years experience with PHP, CSS, and HTML and a few months experiance with JS and jQuery. I've been wondering this for a while -- what languages should I be most familiar with if I want to try and make a career out of web development? I'm only 17, so I've got plenty of time, and I think I've got a decent headstart on things, but it doesn't hurt to ask. If I'm thinking in terms of being able to get hired as a web programmer, what is (or what are...?) the most useful thing I can do now to be able to have an upper hand when it comes to looking for a job. What languages, as a young programmer, should I really focus on? If you were looking to hire a developer, what would you be looking for?

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  • Using XTemplate with SimpleStore in Ext

    - by qui
    I am currently adding some functionality to some old code. There used to be a template which took a flat array of items and spat out some HTML, now the data is coming from a simple store which reads some JSON.. var allwords = [ ['abacteriano', 'abacteriano'], ['abacterial', 'abacteriano'], ['abciximab', 'abciximab'], etc.. So my simplestore goes like this: termStore = new Ext.data.SimpleStore({ fields: ['term', 'lookup'], data: allwords }); This definitly works fine as I use the termStore in a combobox. However I am having difficulty getting it to play with an XTemplate. It seems the syntax in extjs doesn't play well with SO, so this bit wont be in a code block... So I guess I'll describe it :p Essentially its a simple template which tries to get values out of the passed collection by doing {term} I then try and apply it by doing: tpl.overwrite(Ext.get("contentbox"), termStore); This gives me a JS error of "invalid object initializer"

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  • Cross-Browser jQuery text-zoom implementation

    - by JMC Creative
    I've got some code to increase/decrease font size. This is giving me a headache because each browser seems to implement the $.css('font-size') differently (see jquery bug). The part that's really killing me, though, is that Firefox is scaling up okay, but when I use the scale down function below, it scales up. Webkit & IE are both working as expected. Any ideas on that? I put this in a fiddle here: http://jsfiddle.net/srQ3P/1/ where you can see it working as expected, and you can see it broken in firefox at the project page: http://cumberlandme.info/residents MAJOR EDIT Sorry, the issue is not the code, it's firefox buggy behavior. After I zoom in or out with the browser controls (ctrl + plus or ctrol + minus) the js goes haywire. This doesn't happen in other browsers. This is the real issue. Any advice on that

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  • Jquery Ajax loading Problem

    - by Starx
    I have a function to load a html part into a element in main index page kinda like this $(".ajax").click(function() { //load a page into a element }); This works But the HTML part which i have just loaded also have links that need to trigger same function above, but it does not. Until I save that function in a separate .js file and load in the main index file as well as all other files from where I need to trigger that function even though these internal files are going to loaded into the the first main file . Is there any way for a function in the index file to run from the html document that is loaded inside a element.

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  • Posting null values via AJAX

    - by nickf
    Using the jQuery $.post function, if you send a null value, it arrives at the server side as "null". Example: Javascript: $.post('test.php', { foo : null }); PHP: var_dump($_POST['foo']); // string(4) "null" I understand why this is so, but was wondering the best way to work around the limitation? Should you: Loop through all the variables in JS before you send them and replace with an empty string? Interpret "null" as null on the server side? Don't send the variable at all? Something else?

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  • jQuery get value from checked element with a given name

    - by Travis Leleu
    I've got an input like so: I'd like to use jQuery to grab that element, and add the function call foo() to the change event. Currently I can get it done, but there are two hacks involved. My (working) code: $(":input[name*=myfield]").change( function( $(":input[name*=myfield]") ) { foo(); }); )}; There are two hacks in there I'd like to eliminate. Keeping in mind that the input names are multidimensional arrays, how can I use the :input[name=somename], versus [name*=someone]? I'd imagine it's faster using an exact name rather than *=, but I can't get the escape sequence correct for the brackets on the multidimensional arrays. Can I chain the call together so that I don't have to select the element twice? Is the standard practice for that to select the HTML element into a var, then use that var? Or can I chain it together? Thanks for the help. Still working on getting my footing in JS/JQ.

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  • getelementbyid issue with radio button

    - by Nelson Silva
    I'm trying to make an alert with the value of the selected radio button, but I allways get the first of them, regardless the one I choose...(Acompanhado); html: <form/> <input type="radio" class="simple_form" name="grupo_1" value="Acompanhado" id="saida"/> <span class="texto">Acompanhado</span> <input type="radio" class="simple_form" name="grupo_1" value="Individual" id="saida"/> <span class="texto">Individual</span> </form> js: function save() { var saida_js = document.getElementById('saida').value; alert("Tipo de saida: " + saida_js); } Any idea ?

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  • Use one submit button to enter various pages in Javascript

    - by Kelvin
    Hiya: I want to enter different rooms with on button. How is this possible in Javascript. For example, there are three rooms, "Kitchen, toilet and bedroom". How can I use JS to enter any of these rooms depending on my choice. This is the HTML input, <form method="post"> <input style=""name="Text1" type="text"><br> <input name="move" style="height: 23px" type="submit" value="Move"> </form>

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  • While loop within Javascript function

    - by JM4
    I have the following basic function: <script type="text/javascript"> function Form_Data(theForm) { var t=1; while (t<=5) { if (theForm.F[t]FirstName.value == "") { alert("Please enter Fighter 1's First Name."); theForm.F[t]FirstName.focus(); return (false); } t++; } return (true); } </script> The script (js validation) fails using this code. If I remove the [t] and replace with a number (1,2,3,4,etc), the validation works on the appropriate fields. What am I doing wrong?

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