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  • jquery $.post returned data from php is empty

    - by vee
    hi, i'm using this code to post to a php page: var qreq = ".....myurl.php"; $.post(qreq, function(data){alert(data);}); in my PHP file i have this: ...... $prevtopic = $row["topic_id"]; echo $prevtopic; the alert comes up, but is blank. for some reason data is empty even though i'm echoing from the PHP file. i also tried just echoing "hi" but that didn't work either. what am i doing wrong? thanks.

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  • jQuery grab html

    - by Happy
    We have link to some page (with html code, on the same domain), that page have one img, which attributes title and alt are equal. Script must open link (no showing on the page), grab the src attribute of img which title=alt, and throw the value into some variable. Is it possible to do? Thanks.

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  • jQuery , Trigger change event on newly created elements

    - by kwhohasamullet
    Hi Guys, I have a button in a form that when clicked adds another set of form fields, In these form fields there are 2 drop downs where the contents of the 2nd dropdown rely on what is selected in the first dropdown... What i want to do is when the new form field button is clicked for the new items to be added and then the change event to be triggered on the drop down that was created so what only that drop down changes and not all the drop downs with the same name currently in that form. THe first drop down is called product Category The code for the addFormField function is: function addFormField() { var id = document.getElementById("field_id").value; $("#products").append("<table width='600' cellpadding='5' cellspacing='0' class='Add_Products' id='row" + id + "'><td width='250' class='left'><label>Select Product Category</label></td><td class='right' ><label><select name='" + id + "' id='ProductCategory'><?php foreach($categories as $key=>$category){ echo "<option value=".$key.">".$category."</option>"; } ?></select></label></td></tr><tr><td width='250' class='left'><label>Select Product Template</label></td><td class='right' ><label><select name='data[QuoteItem][" + id + "][product_id]' id='QuoteItem" + id + "product_id' class='Product' title='" + id + "'></select></label></td></tr><tr ><td class='left'>Name</td><td class='right'><label><input name='data[QuoteItem][" + id + "][name]' type='text' id='QuoteItem" + id + "name' size='50' /></label></td></tr><tr ><td class='left'>Price (ex GST)</td><td class='right'><input type='text' name='data[QuoteItem][" + id + "][price]' id='QuoteItem" + id + "price' onchange='totalProductPrice();' class='quote-item-price' value='0' /></td></tr><tr><td class='left'>Description</td><td class='right'><label><textarea name='data[QuoteItem][" + id + "][description]' cols='38' rows='5' id='QuoteItem" + id + "description'></textarea></label></td></tr><tr><td><a href='#' onClick='removeFormField(\"#row" + id + "\"); return false;'>Remove</a></td></tr></table>"); $('#row' + id).highlightFade({ speed:1000 }); id = (id - 1) + 2; document.getElementById("field_id").value = id; } The code that detects change in ProductCategory dropdown and triggers the AJAX is below: $("select#ProductCategory").live('change', function(){ var url = base + "/quotes/productList/" + $(this).val() + ""; var id = $(this).attr('name'); $.getJSON(url,{id: $(this).val(), ajax: 'true'}, function(j){ var options = ''; options += '<option value="0">None</option>'; $.each(j, function(key, value){ options += '<option value="' + key + '">' + value + '</option>'; }) $("select#QuoteItem" + id + "product_id").html(options); }) }).trigger('change'); I have been trying all afternoon to work this out and the closest one i got to work applied the returned ajax values to all items. Currently using the live function people can add new fields and are able to use the drops down independant of each other dropdown but its only when the field is first added that i have trouble getting is populated Thanks in advance for any help

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  • Firefox jquery flicker bug problem

    - by Dan
    This is possibly a really silly question but I've stared at this code way too long for it to make sense! I'm having problems with a flicker of the screen in firefox; It is related a filtering script... I have a website that is a one page vertical scroll; with different anchors to define sections and a smooth scroll script to make it pretty... See the example here: http://tiny.cc/7g5mn I've tried everything... Please help me, I'm begging you, my eyes hurt!

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  • JQuery,ajax problem?

    - by user303832
    Hello,I have one table,and when I click on row,it load some content in another table,problem is,when I first time click on row it loads just one time(message 'Some msg' and message 'Some other msg' is showen one time),when I click on other row,it loads twice(messages is shown twice),third time when I click on row it loads three times,ets.Here is my code. $.ajax({ url:'<?php echo $full_path_ajax_php; ?>', data:{'what':'2','mypath':'12345678'}, dataType:'json', type: 'GET', beforeSend:function(){alert('Some msg')}, success: function(){alert('Some other msg')} }); return false; Can someone help me please to understand this.Tnx in advance.

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  • jQuery .width() and .height() strange behaviour

    - by Misha Moroshko
    Why in the following code .height() returns 95 rather than 100, while .width() returns 200 as expected ? HTML: <table><tr> <td id="my"></td> </tr></table> <div id="log"></div> CSS: #my { border: 5px solid red; } JS: $("#my").width(200).height(100); $("#log").append("Width = " + $("#my").width() + "<br />"); $("#log").append("Height = " + $("#my").height());

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  • jquery child element as trigger

    - by Dan w
    When "forum-title" is clicked, I want "subtopic-frame" within the parent "forum-topics-head" to expand. There are multiple "forum-topics-head" (with all associated children) on this page. The way I have it now, the "forum-topics-head" is the trigger, but I want the "forum-title" to be the trigger. html: <div class="forum-topic-head"> <div class="forum-title">Forum Title</div> <div class="subtopic-frame"> subtopic 1 subtopic 2 </div> </div>

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  • Javascript/JQuery if statement

    - by Samuurai
    This is probably pretty simple, but I can't figure out how to do it: I have this code: $.post("/admin/contract", { 'mark_paid' : true, 'id' : id }, In pseudo code, how can I do this: $.post("/admin/contract", { 'mark_paid' : true, 'id' : id, if(is_set(dont_email)) {print 'dont_email' : true} },

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  • jQuery adding a row to a table with click() handler for tr

    - by Dave
    I'm having an issue with a control I'm building that contains a table where the body is scrollable. The rows have a click() function handler established like: /** * This function is called when the user clicks the mouse on a row in * our scrolling table. */ $('.innerTable tr').click (function (e) { // // Only react to the click if the mouse was clicked in the DIV or // the TD. // if (event.target.nodeName == 'DIV' || event.target.nodeName == 'TD' ) { // // If the user wasn't holding down the control key, then deselect // any previously selected columns. // if (e.ctrlKey == false) { $('.innerTable tr').removeClass ('selected'); } // // Toggle the selected state of the row that was clicked. // $(this).toggleClass ('selected'); } }); There is a button that adds rows to the table like: $('#innerTable > tbody:last').append('<tr>...some information...</tr>'); While the rows ARE added successfully, for some reason, the static rows work with the click handler, but the newly added rows do not. Is there something I'm missing? Thanks in advance!

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  • stumped on jquery call inside chrome extension

    - by phil swenson
    In my chrome extension I call this: jsonPost = { email:"[email protected]", password:"demo", content: $('#selected_text').val(), notification_type: $('#notification_type').val(), name:$('#notification_name').val() } $.post('http://localhost:3000/api/create.json', jsonPost, function (data) { console.log("type of data = " + typeof(data)); console.log("data in function = " + data); } The data makes it to the server. But the response is lost, in the console ---type of data = String ---data in function = So for some reason I am not getting the response back. Works from the browser. I even tried doing a get against cnn.com and got no response. any ideas? thanks

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  • how to extract information from JSON using jQuery

    - by Richard Reddy
    Hi, I have a JSON response that is formatted from my C# WebMethod using the JavascriptSerializer Class. I currently get the following JSON back from my query: {"d":"[{\"Lat\":\"51.85036\",\"Long\":\"-8.48901\"},{\"Lat\":\"51.89857\",\"Long\":\"-8.47229\"}]"} I'm having an issue with my code below that I'm hoping someone might be able to shed some light on. I can't seem to get at the information out of the values returned to me. Ideally I would like to be able to read in the Lat and Long values for each row returned to me. Below is what I currently have: $.ajax({ type: "POST", url: "page.aspx/LoadWayPoints", data: "{'args': '" + $('numJourneys').val() + "'}", contentType: "application/json; charset=utf-8", dataType: "json", success: function (msg) { if (msg.d != '[]') { var lat = ""; var long = ""; $.each(msg.d, function () { lat = this['MapLatPosition']; long = this['MapLongPosition']; }); alert('lat =' + lat + ', long =' + long); } } }); I think the issue is something to do with how the JSON is formatted but I might be incorrect. Any help would be great. Thanks, Rich

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  • jQuery expanding menu

    - by Milen
    Hi everybody, i have this html code: <ul id="nav"> <li>Heading 1 <ul> <li>Sub page A</li> <li>Sub page B</li> <li>Sub page C</li> </ul> </li> <li>Heading 2 <ul> <li>Sub page D</li> <li>Sub page E</li> <li>Sub page F</li> </ul> </li> </ul> With this JS code: $(function(){ $('#nav>li>ul').hide(); $('#nav>li').mouseover(function(){ if ($('#nav ul:animated').size() == 0) { $heading = $(this); $expandedSiblings = $heading.siblings().find('ul:visible'); if ($expandedSiblings.size() > 0) { $expandedSiblings.slideUp(500, function(){ $heading.find('ul').slideDown(500); }); } else { $heading.find('ul').slideDown(1000); } } }); }) For now the code works this way: When click on Heading 1, menu is expanded. When click on Heading 2, heading2 submenu menu is expanded and heading 1 submenu is closed. I need to rework it to this: Submenus must be closed automatically on mouseout. Can somebody help me? Thanks in advance!

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  • Modify onclick function with jQuery

    - by Chris Barr
    I've got a button that has an onclick event in it, which was set on the back end from .NET. Beside it is a checkbox <button class="img_button" onclick="if(buttonLoader(this)){WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions('uxBtnRelease', '', true, '', 'somepage.aspx?oupid=5&fp=true', false, true))} return false;" type="button">Release</button> <input type="checkbox" checked="checked" id="myCheckbox"> When the checkbox is clicked, needs to change the value of the query string in the URL inside the onclick function of the button. So far I have this, and the idea is right, but I keep getting errors when it's run: "Uncaught SyntaxError: Unexpected token ILLEGAL" var defaultReleaseOnClick=null; $("#myCheckbox").click(function(){ var $releaseBtn = $(".img_button"); if(defaultReleaseOnClick==null) defaultReleaseOnClick=$releaseBtn.attr("onclick"); var newOnClickString = defaultReleaseOnClick.toString().replace(/&fp=[a-z]+'/i,"&fp="+this.checked); $releaseBtn.removeAttr("onclick").click(eval(newOnClickString)); }); I know it seems kinda hacky to convert the function to a string, do a replacement, and then try to convert it back to a function, but I don't know any other way to do it. Any ideas? I've set up a demo here: http://jsbin.com/asiwu4/edit

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  • jQuery: Main nav items selected depending on URL or page name

    - by Ricardo
    Ok, I've looked all over for a solution for this but so far I'm unable to find anything related to what I need to accomplish. What I need is very simple as far as logic goes. I have a nav bar like this one: <nav> <ul> <li><a href="download.shtml">Download</a></li> <li><a href="documentation.shtml">Documentation</a></li> <li><a href="contact.shtml">Contact</a></li> <li><a href="about.shtml">About</a></li> </ul> </nav> And the URLs of the site are straightforward: http://domain.net/download.shtml http://domain.net/documentation.shtml http://domain.net/contact.shtml http://domain.net/about.shtml Question: How can I detect which page/URL I'm on and add a class of .active to the corresponding nav item? The end result would be, for example if I'm in the Download page: <nav> <ul> <li><a href="download.shtml" class="active">Download</a></li> <li><a href="documentation.shtml">Documentation</a></li> <li><a href="contact.shtml">Contact</a></li> <li><a href="about.shtml">About</a></li> </ul> </nav> Thanks in advance for any help on this matter.

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  • Sending/printing a key with jQuery.Trigger

    - by adir
    i think i have read every page google knows about which has these keywords, and nothing works for me. what i have is a form input, and a button next to it [not submit], and what i want is for the button click to trigger an 'enter' key click. [this will respectively run another function which is already working..] i've tried and also putting it in a function and then running it from onclick, or making a $(#'inputBtn').click(function()..... nothing works for me please help!!

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  • How to display conformation text using jquery

    - by kumar
    I have showresponse funtion somehting like this.. function showResponse(responseText, statusText, xhr, $form) { if (responseText[0].substring(0, 16) != "System.Exception") { $('#error-msg-ID').html('<strong>Update successful.</strong>'); } else { $('#error-msg-ID').html('<strong>Update failed.</strong> ' + responseText[0].substring(0, 48)); } $('#error-msg-ID').removeClass('hide'); $('#gui-stat-').html(responseText[1]); } $('#exc-').ajaxForm({ target: '#error-msg-ID', beforeSubmit: validate_excpt, success: showResponse, dataType: 'json' }); Div tag is.. <div id="#error-msg-ID"> </div> After update successfull I am not able to show Updatesuccessful mesage on divtag? do i am missing something?

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  • jQuery-ajax call: async property is not working?

    - by user269386
    Hi, given to certain circumstances, I'm forced to keep page settings (Javascript-values) in the session and it has to be done right before leaving the page (I can't use cookies, since "pageSettings" can become quite large and localStorage is not an option yet ;) ). So this is how I tried it. However it seems that when I call the page directly again, the call of "http://blabla.com/bla" happens asynchronous, even though the async-attribute is set (I don't receive the settings of the previous call, but of the one before): $jQ(document).ready(function () { $jQ(window).unload(Main.__setSessionValues); }); var Main = { pageSettings: {}, __setSessionValues: function __setSessionValues() { $jQ.ajax({ type: "POST", async: false, url: "http://blabla.com/bla", data: { pageSettings: Object.toJSON(Main.pageSettings) } }); } }; Does anyone know what the problem might be? thanks in advance

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  • Clever Next and Previous Buttons in jQuery

    - by matt
    I have created a webpage which when you press 'down' automatically scrolls down to the next ID (a section which isn't visible due to overflow: hidden) When you press 'up' it scrolls back up. At the moment each arrow simply tells the webpage to go to a specific div e.g. the 'down arrow' says <a class="tab" href="#page2">Down</a> This is ok for just two pages however as I will be having more pages what I would like is to be able to specify the amount of pages and for the arrows to automatically change which link it needs to go to next. For example, on page 1 the 'up arrow' is not visible and when you press the 'down arrow' it scrolls to #page2 whereupon the 'up arrow' is then visible. If you now press the down arrow again it will take you to #page3 whereupon it then becomes hidden as page 3 is the last page. I'm guessing I need to create a 'var' which specifies the amount of pages and that to make the arrows invisible it will change the css property 'display' to none yet I don't know how to do this nor to make the links work out which number to go to next! edit: Just botched together some code which hides the arrows based on the page number however still need to work out how to update the variables and change the links the arrows go to. (please exclude the coding, it's my first time trying to write script as opposed to just editing plugins!) var PageNumber = 1; var PageAmount = 2; function getPageNumber() { } function hideUpArrow() { if(PageNumber==1) { $("#up_arrow").css({ "display": "none" }); } } function hideDownArrow() { if(PageNumber==PageAmount) { $("#down_arrow").css({ "display": "none" }); } } $(document).ready(function(){ hideUpArrow(); });

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  • Add the "selected" attribute to a drop down option with jQuery

    - by gaoshan88
    How do I add the attribute "selected" to a drop down menu option based on that option matching some variable? Here is how the dropdown is populated... loginOptions = ["First", "Second", "Third]; var Login = $( '#Login' ); for ( var i = 0; i < loginOptions.length; i++ ) { Login.append('<option value="'+ loginOptions[i] +'">'+ loginOptions[i] +'</option>'); } I want to mark one option as "selected" based on whether or not its value matches another variable. so if loginOption[i] is equal to var existingLoginValue then set that option to 'selected' Something that would do if(loginOptions[i] === existingLoginValue){ print 'selected'; }; Thanks!

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  • JQuery can't return xml value

    - by Mistergreen
    I have this simple xml <?xml version="1.0"?> <library> <item name="box_shelf"> <imageback src="images/box_shelf_color.png"/> <outline src="images/box_shelf_outline.png"/> <sku> <wh sku="4696424171" /> <ch sku="4696424179" /> <choc sku="4696425863" /> <ma sku="4696424175" /> </sku> </item> </library> Loading the xml is fine. I then have a function to parse certain nodes. function parseImageXml(mainNode,targetNode) { $(libraryXML).find('item').each(function() { if($(this).attr('name') == mainNode) { var $temp = $(this).find(targetNode).attr('src'); console.log("******"+$temp); return $temp; } }); } The console log is fine with ******images/box_shelf_outline.png ******images/box_shelf_color.png But when I try to return the value into variables, I get undefined. var image_outline = ''+parseImageXml("box_shelf","outline"); var image_back = parseImageXml("box_shelf","imageback"); console.log(image_outline+":"+image_back); undefined:undefined Any insight would be great, thanks

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  • Why this code works with jquery 1.3.2 but not with 1.4.2?

    - by metal-gear-solid
    this code var tip = "<p class="adobe-reader-download">Most computers will open PDF documents automatically, but you may need to download <a title='Link to Adobe website-opens in a new window'"; tip +=" href='http://www.adobe.com/products/acrobat/readstep2.html' target='_blank'>Adobe Reader</a>.</p>"; if($("div#maincontent a[href*='.pdf']").length>0){ $("div#maincontent").children(":last-child").after(tip); works fine with this <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js" type="text/javascript"></script> but not working with this <script type="text/jscript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"> </script>

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  • Ajax JQuery responses order problem....

    - by Parhs
    Hello !!! I am searching 3 hours and didnt find anything.... i have this code which is called at an onChange event of an function group_changed(obj) { $.ajaxSetup({async:false}); $.post("/medilab/personnel/groups/getGroupRightsAjax",{ 'group.id': obj.options[obj.selectedIndex].value }, function(data){ $("#div_rights").html(data); }); } This works fine but if i set async:true sometimes the result doesnt match the selection... I guess that this is happening because some requests are lost or that the responses dont come in order..... Any idea what to do to keep it asynchronous?

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  • jquery - Getting the second level parent of an element

    - by j-man86
    I am trying to retrieve the parent of an element's parent (grandparent?). I want to find that grandparent, then find a tag in that element, then store that text as a variable to publish elsewhere on the page. I've been trying to use the parent() function but without success. Here's the code I tried: $('.mixPlayCell a').click( function() { var title = $(this).parent().get(0).parent().get(0).text(); alert(title); }); Thanks!

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  • jQuery find next and prev element

    - by StoneHeart
    I try to find a next or prev element of current element. But next() and prev() function can only work in a scope, it can not reach outside. For an example this is what I want to achieve: <ul id="ul1"> <li>1</li> <li>2</li> <li>3</li> <li> <ul id="ul2"> <li>4</li> <li> <ul id="ul3"> <li>5</li> <li>6</li> </ul> </li> <li>7</li> <li>8</li> </ul> </li> <li>9</li> </ul> If current element is ul1, next element is <li>1</li>, prev element is null. If current element is <li>1</li>, next element is <li>2</li>, prev element is ul1 If current element is <li>8</li>, next element is <li>9</li>, prev element is <li>7</li>

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