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• in jQuery, why are we using this ({ })

  - by uzay95

  I wonder that, why are we using ({ }) ? Is it delegate ? What does it mean to use this syntax ? What are we wrapping with it ? For ex: $.ajaxSetup ({ // <-- THIS error: fError, compelete: fComp, success: fSucc }); // <-- AND THIS

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• jQuery $().find problem

  - by Titanous

  I'm trying to get the contents of a XML document element, but the element has a colon in it's name. This line works for every element but the ones with a colon in the name: $(this).find("geo:lat").text(); I assume that the colon needs escaping. How do I fix this?

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• Jquery .$.ajax is not working

  - by Saravanan I M

  I am using $.ajax for facebook invite and calling the url (Yii framework controller). The below code is not working. $.ajax is not working. function FacebookInviteFriends() { FB.ui ( { method : 'apprequests', data: '', display: 'dialog', title : 'Invite a Friend', message: 'I just sent you an invitation to play My Game.', filters: ['app_non_users'] }, function(response) { alert("start"); if (response && response.to) { alert("inside if"); $.ajax({ url: 'http://localhost:83/invitechips/createRecord', type: 'POST', data: {id : response.to} }).done(function() { alert( "Data Saved: "); }); } else { alert("inside else"); } } ); }

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• jQuery: Getting value from input array

  - by betacar

  We have the following form: <form> ... <table width="100%" cellspacing="0" class="datagrid_ppal"> <tbody> <tr> <th scope="row">Area 1 <input name="config_line" type="hidden" value="0,5,50" /></th> <td class="gantt"> </td> <td class="gantt"> </td> <td class="gantt"> </td> ... </tr> </tbody> </table width="100%" cellspacing="0" class="datagrid_ppal"> ... <form> What we need is to get the first, second or third from the hidden input value. We have tried this and didn't work: var value = $('th').children('input:hidden').val(); Can anyone help us? We would really appreciate it.

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• Why does this vertical-align:middle fails in Jquery mobile

  - by SJ GJ

  Am trying to middle a set of icons to the middle of screen, below is the code: <div data-role="content" class="ui-content ui-body-a" style="vertical-align: middle" data-theme="a"> <fieldset class="ui-grid-a icon-set" style="vertical-align: middle" data-theme="b"> <div class="ui-block-a center" style="vertical-align: middle"> <a href="test"> <div> <img src="css/images/test5.png" style="width: 80px;height: 80px"/> </div> <div> Login </div> </a> </div> <div class="ui-block-b center"> <a href="#settings" data-transition='slide'> <div> <img src="css/images/test4.png" style="width: 80px;height: 80px"/></div> <div>Settings</div> </a> </div> <div class="ui-block-a center"> <a href="test"> <div> <img src="css/images/test2.png" style="width: 80px;height: 80px"/></div> <div>Aboutus</div> </a> </div> <div class="ui-block-b center"> <a href="test"> <div> <img src="css/images/test1.png" style="width: 80px;height: 80px"/></div> <div>Contact Us</div> </a> </div> </fieldset> </div>

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• How to use Split with jQuery?

  - by Matt

  I need to break apart a string that always looks like this: something -- something_else. I need to put "something_else" in another input field. Currently, this string example is being added to an HTML table row on the fly like this: tRow.append($('<td>').text($('[id$=txtEntry2]').val())); I figure "split" is the way to go but there is very little documentation that I can find yet.

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• Loading scripts using jQuery

  - by Nimbuz

  $.ajax({ url: "plugin.js", dataType: 'script', cache: true, success: function() { alert('loaded'); }}); 1) I can't get the script to load, probably due to incorrect path, but how do I determine the correct path? The above code is in init.js, plugin.js is also in the same folder. 2) Can I load multiple plugins at once with the same request? eg. plugin.js, anotherplugin.js? Thanks for your help

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• Issue with changing an attribute with jquery

  - by rshivers

  Hello, I'm having an issue with changing the attribute for an id and can't seem to figure out what I'm doing wrong. I guess it doesn't help that I'm new to this also. I have a function that tests to make sure that I am pulling the correct id from the row in my form that I have dynamically created. It goes something like this: myFunction() { var id = $(id).attr("id"); alert("This is my id " + id); } This works with no problem and when I click the button assigned to alert me of my id it will give give me the id of the dynamic row in my form. The issue is now when I try to change the id with this: changeId() { var newId = $(id).attr("id", "x"); alert("This is my new id " + newId); } What happens in this case is that it will alert saying "This is my new id [object Object]" instead of giving me the new id. Any suggestions? I'd really appreciate any help with this.

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• load data from external file jQuery

  - by bah

  Hi, I need to take data from external file and format it, the problem is, i want to have that data stored into a variable. Load method works for me, because i need to load not the whole document, but just a part of it, but then again, i want to load to variable and not to some dom element. $.get can do this, but it doesn't support selectors. Is there any way I could make this? Now examples: Mine external file consists of a table, which has format like this: <table><tr><td><img /></td></tr><tr><td><a></a></td><td><span></span></td></tr></table> I need to extract img, a and span tags because I need them to be displayed in different order than they're now. So, is there any chance for me that i could make this work? Thanks.

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• How do I parse this JSON with jQuery?

  - by Mike

  So I had this structure in xml and I was able to parse it successfully. Now what I have done is that I converted this xml into a JSON using www.xmltojson.org but I am not able to parse it . I am setting these files locally on we localhost web server: <script> $(function() { $.ajax({ url:'feed.json', dataType:'json', type:'GET', success:function(json) { /// what to do here }. error: { alert("Parse Failed"); } }); }); </script> I am trying to learn JSON, so I am little unsure as to where I am doing wrong, or even if that is the correct approah. Thanks Mikey.

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• jQuery DIV click, with anchors

  - by ANaimi

  To make click-able divs, I do: <div class="clickable" url="http://google.com"> blah blah </div> and then $("div.clickable").click( function() { window.location = $(this).attr("url"); }); I don't know if this is the best way, but it works perfectly with me, except for one issue: If the div contains a click-able element, such as <a href="...">, and the user clicks on the hyperlink, both the hyperlink and div's-clickable are called This is especially a problem when the anchor tag is referring to a javascript AJAX function, which executes the AJAX function AND follows the link in the 'url' attribute of the div. Anyway around this?

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• Add in integer to returned value with jQuery

  - by danferth

  I have a page with a div id="videoFrame" that holds the video tag. The videos have variable heights so I have a function to grab the height value and plug it into the css of the div id="videoFrame like so: var videoHeight = $('video').attr('height'); $('#videoFrame').css('height',videoHeight+'px'); This works great. But here's the part driving me crazy. I have a p tag with disclaimers at the bottom of the div id="videoFrame". So I would like to add an additional 26px to the returned height. I tried: var videoHeight = $('video').attr('height'); var frameHeight = videoHeight + 26; $('#videoFrame').css('height',frameHeight+'px'); But as you would expect it is adding 26 to the end of the returned value. i.e. if returned value is 337 output for var frameHeight is 33726. I can not for the life of me figure out how to do this. Thanks in advance for any help

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• jQuery append css link to iframe head

  - by Micharch54

  I'm trying to append a css file to an iframe that is created on a page from a global script. I can access part of it, but for some reason I can't append to the head. It's not throwing errors either, which is frustrating. <script type="text/javascript"> $(document).ready(function() { $('#outline_text_ifr') .contents() .find('head') .append('<link type="text/css" rel="stylesheet" href="/include/outline.css" media="all" />'); }); </script>

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• Submit form if ajax validator returns true using jquery

  - by Anthony

  I am not sure where I'm going wrong. The idea is that before the form is submitted, one of the input fields is sent to a server-side validator via ajax. If the response is 1, the input is valid and the form should be submitted. If the response is 0, the form should not be submitted. The issue is that I can't figure out how to set a variable within the ajax request function that will prevent the form from being submitted. This is what I have: $("#form").submit(function() { var valid= false; var input = $("#input").val(); $.ajax({ type: "POST", url: "validator.php", data: "input=" + input, success: function(msg){ valid = (msg == 1) ? true : false; if(!valid) { $("#valid_input").html("Please enter valid info"); } else { $("#valid_input").html(""); } } }); return valid; });

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• jQuery: Handle blurring of each field in a form

  - by James

  I've got a form and I need to post data to the server every time a field in the form is changed. How do I apply a function to each child element of the form on blur?

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• Adding an additional click event to every element (JavaScript / jQuery)

  - by Gausie

  I'm developing a touchscreen application that, aside from everything else, records the amount of times the screen is used so that the user can be reminded to clean the screen after a predefined number of clicks. I've got the click functions written nicely, all I need now is make sure the function is called on a click. I imagine $('*').click(function() { //do something }); would accomplish my goal, but is that the best way? Also, would that overwrite other click functions assigned to the elements?

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• jquery change element to element

  - by Isis

  Hello <div class="leftlink" id="mcontacts"> <img src="test.gif" class="arrowred"/> <a href="/contacts/" class="u">????????</a> </div> if(window.location == 'http://my.site.com/contacts/') { $('.menuwelcome').css('display', 'block'); $('.leftlink').find('????????').css('font-weight', 'bold'); $('#mcontacts').find('a').html('<b>????????</b>').remove(); } How do remove tag "a" html, and change his for '<b>????????</b>' ? =) Than you, sorry for bad english

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• Jquery JSON .each() doesnt work in Google Chrome

  - by Sheriffen

  I have a really simple chat application on a site which works pretty good. It requests by ajax like this: $.ajax({ url: "fetch/"+CHAT_SESSION_ID+"/"+LAST_MESSAGE_ID, dataType: "json", cache: false, success: function(data) { if (data.session_active == 0) { //If other chatter ended session alert("Session Ended"); } else { $.each(data.messages, function(i,msg){ alert(msg.message.Body); )}; } } }); and gets a json response that lookes like this: { "session_active": "1", "messages": [ {"message": {"MsgID": "100", "UserID": "1", "Body": "heyy"}}, ]} It works really well in at least FF and Saf but in Chrome it never gets past the .each! This is driving me nuts, have tried everything I've come across online for days but I can't seem to get it right. Please someone help! I can provide testserver if someone wants to firebug it themselves ;)

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• jQuery Swap Image on Click and if/else

  - by jrutter

  Im stuck, Im setting a variable when someone clicks, then testing with if to see if the variable exists and doing something else. Its a simple script which Im probably overthinking, would love someone's thoughts. $('.view-alternatives-btn').live('click', function() { //$("#nc-alternate-wines").scrollTo(); //$('.nc-remove').toggle(); var showBtn = null; if (showBtn == null) { $('.view-alternatives-btn img').attr("src","../images/wsj_hide_alternatives_btn.gif"); $('#nc-alternate-wines').show(); showBtn = 1; console.log(showBtn); } else if (showBtn == 1) { $('.view-alternatives-btn img').attr("src","../images/wsj_view_alternatives_btn.gif"); $('#nc-alternate-wines').hide(); console.log("this " + showBtn); } return false; });

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• Highlight current page in jquery

  - by 3gwebtrain

  Hi, I have the 12 html pages. and all this pages are loads when the left navigation bar link clicked. in this, i need to add a class to the current link, which is clicked and loaded the page. i tried with this: $(function(){ $('#container li a').click(function(){ $('#container li a').removeClass('current'); var pathname = (window.location.pathname.match(/[^\/]+$/)[0]); var currentPage = $(this).attr('href'); if(currentPage==pathname){ $(this).addClass('current'); } else{ alert('wrong'); } // alert(pathname+' currentPage: '+currentPage); }) }) it works, but on page load, the class is removed, i don't know why it's happening.. any help?

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• detect where a redirect wants to go with jQuery

  - by Markus

  Hi there, I have a page with a flash plugin. If I'm on that page, I don't want to post a message if the user wont to leaf it without saving it...: if(/containers/.test(document.location.href)){ window.onbeforeunload = function(){ return exit_text; }; } This works fine, except that I if i save the content in the flash plugin. In that case I don't want to show up that message. How can I detect the url within the onbeforeunload method? That way I can descide when to post the method! Thanks Markus

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• jquery: inner: outerHeight

  - by Mango

  That I got no idea how. I need a function that the window height or the monitor configuration is larger than 1200, put a div position top = 1000px and else put in another position top = 800px

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• jQuery && Google Chrome

  - by Happy

  This script works perfectly in all the browsers, except Google Chrome. $(document).ready(function(){ $(".banners-anim img").each(function(){ var hover_width = $(this).width(); var hover_height = $(this).height(); var unhover_width = (hover_width - 30); $(this).width(unhover_width); var unhover_height = $(this).height(); $(this).closest("li").height(unhover_height); var offset = "-" + ((hover_height - unhover_height)/2) + "px"; $(this).closest("span").css({'position':'absolute', 'left':'0', 'top':'25px', 'width':'100%'}); $(this).hover(function(){ $(this).animate({width: hover_width, marginTop: offset}, "fast") },function(){ $(this).animate({width: unhover_width, marginTop: 0}, "fast") }); }); }); Chrome doesn't recognize changed image attributes. When width of the img changes, height also changes. Even not in Chrome.. $(this).width(unhover_width); var unhover_height = $(this).height(); unhover_height gives 0. Full code of this script (html included) - unhover_height Please help to fix this. Thanks.

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• In jquery Set a delay to fade out or fadeout right away on click

  - by JClu

  I am trying to right a script for a notification popup. I wan't the popup to fade out after X seconds or fadeout when the user clicks on the message. I can get both effects to work individually but when I try to combine them fadeOut works. This is my code so far: function notify(data, type) { switch(type) { case "success": $('#notify').html(data) .removeAttr("style") .addClass('notifySuccess') .click(function() { $("#notify").fadeOut(); }) .delay(5000).fadeOut(); break; case "error": $('#notify').html(data) .removeAttr("style") .addClass('notifyFailure') .click(function() { $("#notify").fadeOut(); }) .delay(5000).fadeOut(); break; } }

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• Long task in Javascript / jQuery

  - by Misha Moroshko

  I have a long task in Javascript that should be performed before the web page content is displayed. During the execution of this task I would like to show an image whose opacity will grow up to 100% (when the task is done). How this can be achieved ?

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