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• how to hide table columns in jQuery?

  - by understack

  I've a table with lots of columns. I want to give users the option to select columns to be shown in table. These options would be checkboxes along with the column names. So how can I hide/unhide table columns based on checkboxes? Would hiding (using .hide()) each td in each row work? May be I can assign checkbox value to the location of column in table. So first checkbox means first column and so on. And then recursively hide that 'numbered' td in each row. Would that work?

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• Store html form on client or server while building?

  - by Brett

  Hi, I have a fairly complex html form enhanced via jquery. It has multiple tabs, within each one things like a html form builder, uploads, descriptions. There is lots of data, and as the user flicks around the various tabs I'm thinking of posting the data to the server. For example, the form builder, has about 10 properties for each field, as the user flicks between the various fields, an ajax request saves the current values, then loads a new set from the new field clicked on. When the user hits save, the idea is then on the server all these bits and pieces come together and become the live version (i may store them as a temp version while the user is working away). So I guess my question is, for complex forms where the same fields are re-used within the one form, does anyone attempt to save all this data locally and upload it in one hit or do most of you do little ajax post's and compile it all when the final save button is hit? b

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• using jquery function to change tab selected

  - by Oliver Bayes-Shelton

  Hi, is it possible to add a .click event inside a function which is called when something happens. for example if some one clicks a button other than the tab navigation that button function will change the select tab. how can I add it to this function function() { }

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• jquery: is there a fail handler for $.post in Jquery?

  - by Jux

  When $.post succeeds, there is a success handler for it. What happens if it fails? Is there a similar handler that we can use for this case, so that we can inform the user that something is not happening right?

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• jQuery animate on an image replacement

  - by Lee

  Hey All Hope you can advise I would like to add some simple fade in out of an image replacement which I have hooked into a select menu.ie, $("#vehicle").change(function(){ var selected = $(this).val(); $("#selectedVehicle").attr('src', '/assets/images/mini/'+selected+'.png'); }); <img id="selectedVehicle" src="/assets/v2/images/select-vehicle.png"> any suggestions how I can do it? Thanks in advanced

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• referencing DOM elements in jQuery

  - by Lyon

  Hi, I would select multiple DOM elements using a typical code such as this: $('#ele1, #ele2, #ele3').click(function () {}); If I have variables of each DOM element, e.g. var domEle1 = $('#ele1'); var domEle2 = $('#ele2'); var domEle3 = $('#ele3'); How can I select them all at once? Instead of individually... domEle1.click(function () {}); Thanks!

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• jquery ajax image

  - by Nishima

  Hi all, I am sending an ajax request on dblick for creating the image of the screen where it is double clicked.I am ising imagegrabscreen() function of PHP to create image but instead of creating its image it is creates a black image. dblclick(function (ev,ui) { var response = $.ajax({ type:"POST", url: "grabImage.php", data:"name=John&location=Boston&function_name=img", complete: function(msg){ var resp = msg.responseText; if(msg && msg.readyState != 4) { alert("Ready State :"+msg.readyState); return; } else{ //wb_load(); alert( "Data Saved: " + resp); } } }); } ); GRAB IMAGE FUNCTION function img() { $im = imagegrabscreen(); imagepng($im, "C:\myscreenshot.png"); //echo $im; //imagedestroy($im); return $im; define('imge',$im); }

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• jQuery, checking to see if video has height/width

  - by Mark

  I have a <video> element that is generated by js, and I need to get the height and width of it. var v = $('video'); v.height() returns null, because when it's run, the video hasn't yet been loaded, so no dimensions in the DOM. How do I check to see if the video has received a dimension, and if it hasn't, wait till it has to get the height and width. Thanks.

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• It's possible to don't pass in GET some fields of a form?

  - by avastreg

  I have a form with some input texts passed in GET, and i don't want to have in GET all the fields; i want to avoid empty fields. So, a concrete example for: <form method="GET" action="an_url"> <input type="text" name="field1"/> <input type="text" name="field2"/> <input type="text" name="field3"/> <input type="submit" value="submit"/> </form> I supposed that fields disabled by html attribute "disabled" shouldn't be passed to GET. So i have done a js (based on jquery) to disable empty fields on submit, something like this: $("form").submit(function() { $(this).find("input[type=text]").each( function () { if (!$.trim($(this).val())) { $(this).attr("disabled", "true"); } }); }); However, this doesn't work. Any ideas?

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• Coloring text with css using jQuery

  - by ArtWorkAD

  Hi, I have a little problem adding a class to a span element and so coloring it in order to perform simple validation. Here is my js: function validateKey(){ var length = $('#appkey').val().length; if(length != 8){ $('#appkey').addClass('error'); $('#appKeyInfo').addClass('error'); return false; }else{ $('#appkey').removeClass('error'); $('#appKeyInfo').removeClass('error'); return true; } } And html: <label>KEY</label></br> <input type="text" id="appkey" value=""/></br> <span id="appKeyInfo">Dein App-Key aus 8 Ziffern</span> And the jsfiddle: example Any ideas? UPDATE: coloring of appKeyInfo fails, coloring appkey works. When I remove color:red and type font-weight:bold instead the text is bold on error. when I remove color definition of appKeyInfo the text can be colored red on error, strange thing, but I need a font color for the appKeyInfo

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• jquery serial format

  - by Yan

  I have a website that prompt the users to enter serial number for a product. I have one text box the user need to enter the serial in this format: xx:xx:xx:xx:xx:xx there is any compment that will enter the : after every to chars ? or mybee i should split the text box to 6 text boxes ? or there anything else that you can suggest?

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• AJAX jQuery click results in function event being fired twice

  - by pmagunia

  I have an AJAX chat room module in Drupal and I am trying to insert BBCode stlye tex tags to the submit box when the user clicks Insert Tex. I managed to get the following code to work the first time but afterwards when I click Insert Tex it inserts the tex tags triple times. $('#edit-chatroom-message-entry-submit').click(function (e) { e.preventDefault(); e.stopPropagation(); if ($('#edit-chatroom-message-entry-box').val()){ Drupal.chatroom.postMessage($('#edit-chatroom-message-entry-box').val()); $('#edit-chatroom-message-entry-box').val('').focus(); } }); $('#edit-chatroom-tex-submit').click(function (e) { e.preventDefault(); e.stopPropagation(); $('#edit-chatroom-message-entry-box').val($('#edit-chatroom-message-entry-box').val() + '[tex][/tex]'); }); I would appreciate it if a suggestion could be make to make the code work properly.

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• jQuery if not exist

  - by Happy

  This means "if exist" if($.cookie("movies_list")) { // do something } How to write "if not exist" without changing the structure?

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• location of first visible pixel in window? (jquery)

  - by Mladen

  I dont't know how to put that, but I need y coordinates of the first pixel that is visible in window when I scroll down. thanks, Mladen

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• replacing div content with a click using jquery

  - by Joel

  I see this question asked a lot in the related questions, but my need seems very simple compared to those examples, and sadly I'm just still too new at js to know what to remove...so at the risk of being THAT GUY, I'm going to ask my question... I'm trying to switch out the div contents in a box depending on the button pushed. Right now I have it working using the animatedcollapse.toggle function, but it doesn't look very good. I want to replace it with a basic fade in on click and fade in new content on next button. Basic idea: <div> <ul> <li><a href="this will fade in the first_div"></li> <li><a href="this will fade in the second_div"></li> <li><a href="this will fade in the third_div"></li> </ul> <div class="first_container"> <ul> <li>stuff</li> <li>stuff</li> <li>stuff</li> </ul> </div> <div class="second_container"> <ul> <li>stuff</li> <li>stuff</li> <li>stuff</li> </ul> </div> <div class="third_container"> <ul> <li>stuff</li> <li>stuff</li> <li>stuff</li> </ul> </div> </div> I've got everything working with the animated collapse, but it's just an ugly effect for this situation, so I want to change it out. Thanks! Joel

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• Is there an "exists" function for jQuery

  - by jakemcgraw

  So I know that you can do: if ($(selector).length>0) { // Do something } But is there a more elegant method?

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• Jquery, get div width when overflow: hidden;

  - by Fabio

  Hello all. How can I get a div width when the div is inside another div with "overflow: hidden;" ? I tried to set overflow as auto and after using $("#divselector").width() but I always get the parent div width! Ex: html: <div id="content"> <div id="item">content content content ...</div> </div> css: #content { width: 760px; height: 100%; overflow: hidden; display: block; position: relative; cursor: move; }

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• Change background position with jQuery

  - by Mats

  Hi! I'd like to change the background position of a CSS-class while hovering a li-element. HTML: <div id="carousel"> <ul id="submenu"> <li>Apple</li> <li>Orange</li> </ul> </div> CSS: #carousel { float: left; width: 960px; height: 360px; background: url(../images/carousel.png); } Any suggestions on how to do this?

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• Dynamic notifications using jQuery

  - by sparkymark75

  I'm currently building a homepage for our staff which is to be set as the homepage in their browser. I'm currently building the facility whereby nominated members of staff can send notifications to all staff. These will popup on their home page without the need for them to refresh the page. I've currently got the code below which worked fine for 1 notification, but there may be more than 1 at a time waiting to be shown. I've switched to outputting json but I'm not sure how to modify my code to consume it. I'm using the PeriodicalUpdater and jGrowl plugins to get this functionality, if there's better alternatives then feel free to sugget them. $.PeriodicalUpdater({ url: 'getNotifications.aspx', maxTimeout: 6000, type: 'json' }, function(data) { var message = data; if (message != '') { $.jGrowl(message, { sticky: true }); } }); As an additional piece of functionality, would it be possible to store in a cookie when a user has closed a notification so they don't see it again? Thanks.

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• JQuery collapse table cells based on class

  - by H4mm3rHead

  Hi i have a table strcture for my menu, and i need to be able to collapse/expand the menu from level2, so that all level3 cells becone visible. My HTML is like this: <table> <tr><td class="level1"><a href="abc.html">First Item</a></td></tr> <tr><td class="level2"><a href="def.html">SecondItem</a></td></tr> <tr><td class="level3"><a href="ghi.html">Third Item</a></td></tr> <tr><td class="level3"><a href="jkl.html">Fourth Item</a></td></tr> <tr><td class="level3"><a href="mno.html">Fifth Item</a></td></tr> <tr><td class="level2"><a href="pqr.html">Sixth Item</a></td></tr> <tr><td class="level2"><a href="stu.html">Seventh Item</a></td></tr> </table> How do i, when i press the level2 item i only collapse/expand the level3 items following the level2 i pushed? I only want to do this for level2, not for level 1.

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• Multiplying field value with retreived value jQuery

  - by Efe

  I pull product price from another page. Then I multiply it with quantity entered in the quantity input field. The problem is, if I forget to enter quantity value before I pull product price data or if I change the quantity field later, the final total price is not updated. I hope I clearly explained it. javascript: $('#AddProduct').click(function() { var i = 0; var adding = $(+(i++)+'<div class="row'+(i)+'"><div class="column width50"><input type="text" id="PRODUCTNAME" name="PRODUCTNAME'+(i)+'" value="" class="width98" /><input type="hidden" class="PRODUCTID" name="PRODUCTID" /><input type="hidden" class="UNITPRICE" name="UNITPRICE'+(i)+'" /><small>Search Products</small></div><div class="column width20"><input type="text" class="UNITQUANTITY" name="UNITQUANTITY'+(i)+'" value="" class="width98" /><small>Quantity</small></div><div class="column width30"><span class="prices">Unit Price:<span class="UNITPRICE"></span><br />Total Price:<span class="TOTALPRICE"></span><br /><a href="#" id="RemoveProduct(".row'+(i)+'");">Remove</a></span></div>'); $('#OrderProducts').append(adding); adding.find("#PRODUCTNAME").autocomplete("orders.cs.asp?Process=ListProducts", { selectFirst: false }).result(function(event, data, formatted) { if (data) { adding.find(".UNITPRICE").html(data[1]); adding.find(".PRODUCTID").val(data[2]); adding.find(".TOTALPRICE").html(data[1] * $('.UNITQUANTITY').val()); } }); return false; }); $('#RemoveProduct').click(function() { $().remove(); return false; }); my html: <fieldset> <h2>Order Items</h2> <div id="OrderProducts"> <a href="#" id="AddProduct"><img src="icons/add.png" alt="Add" /></a> </div> </fieldset> edit Now I totaly messed it up. Removing a row is not working anymore as well... Test link: http://refinethetaste.com/html/cp/?Section=orders&Process=AddOrder#

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• jquery ui datepicker

  - by DavidOSomething

  what does navigationAsDateFormat do? also, I have changeMonth and changeYear enabled, how can I make it so that when you change the month and year using those dropdowns, the input field is automatically updated (e.g., updates without having to click on a new day)

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• jquery tools - tabs mouseover - 2nd.

  - by New_user

  I use this tool to show text when moving the mouse over the pix: http://flowplayer.org/tools/demos/tabs/mouseover.htm Does anybody have an idea how to force that the "context" of the second pic is shown when opening the demo-page instead of the context of the first pic (default)? Thanks for any help!

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• JQuery live function doesn't work

  - by Sayem Ahmed

  I have some text boxes, all of which have the same class "addExamNumberBoxStyle". Now I want to bind a "blur" handler to each one of these. When I use direct "blur" event like below - $('.addExamNumberBoxStyle').blur(function() { alert("Hello World"); }); it works perfectly. But when I use "live" function like below - $('.addExamNumberBoxStyle').live('blur', function() { alert("Hello World"); }); it does not work. Why?

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• How to convert this jquery code into simple javascript?

  - by metal-gear-solid

  How to convert this jquery code into simple javascript var $jt = jQuery.noConflict(); $jt(function($) { $jt('.tabs a').click(function(){ switch_tabs($jt(this)); return false; }); switch_tabs($jt('.defaulttab')); }); function switch_tabs(obj) { $jt('.tab-content').hide(); $jt('.tabs a').removeClass("selected"); var id = obj.attr("rel"); $jt('#'+id).show(); obj.addClass("selected"); } I want to use same effect without the need of jquery If i remove jquery and place simple javascript , functionality should remain

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