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  • Initialize Tab Event in JQuery UI

    - by hunt
    Is there any initialize event in Jquery UI Tabs , which executes only once when particular tab loads ? As show function in Jquery UI tabs executes every time when tab gets load , i want an event that executes only once..

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  • How to close InAppBrowser itself in Phonegap Application?

    - by Shashi
    I am developing Phonegap application and currently i am using InAppBrowser to display external pages. On some of the external pages I place a close button and i want to close the InAppBrowser itself. because InAppBrowser displays these pages that is why the reference of it is not accessed on itself to close it and Please do not suggest me to use ChildBrowser Plugin. window.close(); //Not Worked for me or iabRef.close(); //Also not Worked for me because iabRef is not accessible on InAppBrowser. It is created on Parent Window Some of the Android device and iOS device display a Done Button to close it. As well as the iPad also display the Done button. but in Case of Android tablet there is not any kind of button to close it. UPDATE :- Here is my full code :- var iabRef = null; function iabLoadStart(event) { } function iabLoadStop(event) { } function iabClose(event) { iabRef.removeEventListener('loadstart', iabLoadStart); iabRef.removeEventListener('loadstop', iabLoadStop); iabRef.removeEventListener('exit', iabClose); } function startInAppB() { var myURL=encodeURI('http://www.domain.com/some_path/mypage.html'); iabRef = window.open(myURL,'_blank', 'location=yes'); iabRef.addEventListener('loadstart', iabLoadStart); iabRef.addEventListener('loadstop', iabLoadStop); iabRef.addEventListener('exit', iabClose); }

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  • jQuery internals: Organization of the jQuery Object

    - by sonofdelphi
    I was going through the source code of jQuery. I'm having trouble understanding the wrapping strategy for the jQuery object. (function( window, undefined ) { // Define a local copy of jQuery var jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' return new jQuery.fn.init( selector, context ); }, .... .... .... // Expose jQuery to the global object window.jQuery = window.$ = jQuery; })(window); Specifically, what I'm not able to understand stems from the first line. What is the outermost unnamed container function? Why is it required? Why is the container function anonymous? What is the need for the outermost '(' parantheses ?

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  • Speeding up jQuery empty() or replaceWith() Functions When Dealing with Large DOM Elements

    - by Levi Hackwith
    Let me start off by apologizing for not giving a code snippet. The project I'm working on is proprietary and I'm afraid I can't show exactly what I'm working on. However, I'll do my best to be descriptive. Here's a breakdown of what goes on in my application: User clicks a button Server retrieves a list of images in the form of a data-table Each row in the table contains 8 data-cells that in turn each contain one hyperlink Each request by the user can contain up to 50 rows (I can change this number if need be) That means the table contains upwards of 800 individual DOM elements My analysis shows that jQuery("#dataTable").empty() and jQuery("#dataTable).replaceWith(tableCloneObject) take up 97% of my overall processing time and take on average 4 - 6 seconds to complete. I'm looking for a way to speed up either of the above mentioned jQuery functions when dealing with massive DOM elements that need to be removed / replaced. I hope my explanation helps.

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  • How can I add styles to dynamically added table cells?

    - by Doc Hoffiday
    In my program I have a table that, when loaded, has jQuery add some styles/classes to the table cells and table headers. Everything works fine until rows are added via functionality on the rest of the page. Instead of adding the classes to the table cell during addition, is it possible to "listen" or fire some event that checks to see if child elements were added to the table. Essentially, I want something functionally equivalent to this: $("#table td").live("ready", function(){ // do something }); but the live/ready won't work on a table cell... Any ideas?

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  • When is a Google Maps API key required?

    - by Thomas
    Recently Google changed it's policy on the use API keys. You're now supposed to no longer need an API key to place Google Maps on your website. And this worked perfectly. But now I have this map (without API key) running on my localhost, which works fine. But as soon as I place it online, I get a popup saying that I need another API key. And on another page on that website, Google Maps does work. Could it maybe have something to do with that the map that doesn't work have a lot (30+) of markers on it? Actually using an API key wouldn't be a very nice solution to me, as this is part of a Wordpress plugin used on many websites.

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  • running requestAnimationFrame from within a new object

    - by JVE999
    I'm having trouble running an animation. This is inside var ob1 = function() {};. When called, it runs for a while and then I get the error Uncaught RangeError: Maximum call stack size exceeded. However, this same structure has no problems running outside of the object. /////////////// Render the scene /////////////// this.render = function (){ renderer.render(scene,camera); if(isControls == true) controls.update(clock.getDelta()); this.animate(); //console.log(true); requestAnimationFrame(this.render()); } /////////////// Update objects /////////////// this.animate = function (){ console.log("!"); }

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  • html5 uploader + jquery drag & drop: how to store file data with FormData?

    - by lauthiamkok
    I am making a html5 drag and drop uploader with jquery, below is my code so far, the problem is that I get an empty array without any data. Is this line incorrect to store the file data - fd.append('file', $thisfile);? $('#div').on( 'dragover', function(e) { e.preventDefault(); e.stopPropagation(); } ); $('#div').on( 'dragenter', function(e) { e.preventDefault(); e.stopPropagation(); } ); $('#div').on( 'drop', function(e){ if(e.originalEvent.dataTransfer){ if(e.originalEvent.dataTransfer.files.length) { e.preventDefault(); e.stopPropagation(); // The file list. var fileList = e.originalEvent.dataTransfer.files; //console.log(fileList); // Loop the ajax post. for (var i = 0; i < fileList.length; i++) { var $thisfile = fileList[i]; console.log($thisfile); // HTML5 form data object. var fd = new FormData(); //console.log(fd); fd.append('file', $thisfile); /* var file = {name: fileList[i].name, type: fileList[i].type, size:fileList[i].size}; $.each(file, function(key, value) { fd.append('file['+key+']', value); }) */ $.ajax({ url: "upload.php", type: "POST", data: fd, processData: false, contentType: false, success: function(response) { // .. do something }, error: function(jqXHR, textStatus, errorMessage) { console.log(errorMessage); // Optional } }); } /*UPLOAD FILES HERE*/ upload(e.originalEvent.dataTransfer.files); } } } ); function upload(files){ console.log('Upload '+files.length+' File(s).'); }; then if I use another method is that to make the file data into an array inside the jquery code, var file = {name: fileList[i].name, type: fileList[i].type, size:fileList[i].size}; $.each(file, function(key, value) { fd.append('file['+key+']', value); }); but where is the tmp_name data inside e.originalEvent.dataTransfer.files[i]? php, print_r($_POST); $uploaddir = './uploads/'; $file = $uploaddir . basename($_POST['file']['name']); if (move_uploaded_file($_POST['file']['tmp_name'], $file)) { echo "success"; } else { echo "error"; } as you can see that tmp_name is needed to upload the file via php... html, <div id="div">Drop here</div>

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  • window.onbeforeunload ajax request problem with Chrome

    - by lang2
    Hello, I have a web page that handles remote control of a machine through Ajax. When user navigate away from the page, I'd like to automatically disconnect from the machine. So here is the code: window.onbeforeunload = function () { bas_disconnect_only(); } The disconnection function simply send a HTTP GET request to a PHP server side script, which does the actual work of disconnecting: function bas_disconnect_only() { var xhr = bas_send_request("req=10", function() { } ); } This works fine in FireFox. But with Chrome, the ajax request is not sent at all. There is a unacceptable workaround: adding alert to the callback function: function bas_disconnect_only() { var xhr = bas_send_request("req=10", function() { alert("You're been automatically disconnected."); } ); } After adding the alert call, the request would be sent successfully. But as you can see, it's not really a work around at all. Could somebody tell me if this is achievable with Chrome? What I'm doing looks completely legit to me. Thanks,

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  • merging two small pieces of jquery codes

    - by Billa
    Following are two pieces of jquery code. First one prints a text message when clicked on a link, and the second slides down a div when click on a link. I want to merge second code into first one, so that when I click the link, it displays the message (as the first code does), and also slides down the #votebox (as done in second code, and show content in that. I will be very thankful for any help. $("a.vote_up").click(function(){ the_id = $(this).attr('id'); $("span#votes_count"+the_id).fadeOut("fast"); $.ajax({ type: "POST", data: "action=vote_up&id="+$(this).attr("id"), url: "votes.php", success: function(msg) { $("span#votes_up"+the_id).fadeOut(); $("span#votes_up"+the_id).html(msg); $("span#votes_up"+the_id).fadeIn(); //Here, I want to slide down the votebox and content div (from code below). } }); }); The following code slides down votebox div and displays content in it, I want to include that in the above code. $("a.vote_up").click(function(){ var id=$(this).attr("id"); var name=$(this).attr("name"); var dataString = 'id='+ id + '&name='+ name; //I want to include this votebox in above code. $("#votebox").slideDown("slow"); $("#flash").fadeIn("slow"); $.ajax({ type: "POST", url: "rating.php", data: dataString, cache: false, success: function(html){ $("#flash").fadeOut("slow"); //and want to use this div as well. $("#content").html(html); } }); }); Thanks for any help.

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  • PHP Longtext to display like the user wrote it

    - by yanike
    I need to know how to display information put in a database longtext field the way it was written. Like if a user writes in this below: My life is full of love I fly like wedding doves I blow passed stop signs That intersect with hate lines - I know what I am I know who I be If you can't accept me Then don't friend me I want it to display the text from the database just like the user wrote it in the textarea instead of it displaying in one like this: My life is full of love I fly like wedding doves I blow passed stop signs That intersect with hate lines I know what I am I know who I be If you can't accept me Then don't friend me How can I could it in PHP to display the information properly using PHP?

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  • jQuery - I'm getting unexpected outputs from a basic math formula.

    - by OllieMcCarthy
    Hi I would like to start by saying I'd greatly appreciate anyones help on this. I have built a small caculator to calculate the amount a consumer can save annually on energy by installing a ground heat pump or solar panels. As far as I can tell the mathematical formulas are correct and my client verified this yesterday when I showed him the code. Two problems. The first is that the calculator is outputting ridiculously large numbers for the first result. The second problem is that the solar result is only working when there are no zeros in the fields. Are there some quirks as to how one would write mathematical formulas in JS or jQuery? Any help greatly appreciated. Here is the link - http://www.olliemccarthy.com/test/johncmurphy/?page_id=249 And here is the code for the entire function - $jq(document).ready(function(){ // Energy Bill Saver // Declare Variables var A = ""; // Input for Oil var B = ""; // Input for Storage Heater var C = ""; // Input for Natural Gas var D = ""; // Input for LPG var E = ""; // Input for Coal var F = ""; // Input for Wood Pellets var G = ""; // Input for Number of Occupants var J = ""; var K = ""; var H = ""; var I = ""; // Declare Constants var a = "0.0816"; // Rate for Oil var b = "0.0963"; // Rate for NightRate var c = "0.0558"; // Rate for Gas var d = "0.1579"; // Rate for LPG var e = "0.121"; // Rate for Coal var f = "0.0828"; // Rate for Pellets var g = "0.02675"; // Rate for Heat Pump var x = "1226.4"; // Splittin up I to avoid error var S1 = ""; // Splitting up the calcuation for I var S2 = ""; // Splitting up the calcuation for I var S3 = ""; // Splitting up the calcuation for I var S4 = ""; // Splitting up the calcuation for I var S5 = ""; // Splitting up the calcuation for I var S6 = ""; // Splitting up the calcuation for I // Calculate H (Ground Sourced Heat Pump) $jq(".es-calculate").click(function(){ $jq(".es-result-wrap").slideDown(300); A = $jq("input.es-oil").val(); B = $jq("input.es-storage").val(); C = $jq("input.es-gas").val(); D = $jq("input.es-lpg").val(); E = $jq("input.es-coal").val(); F = $jq("input.es-pellets").val(); G = $jq("input.es-occupants").val(); J = ( A / a ) + ( B / b ) + ( C / c ) + ( D / d ) + ( E / e ) + ( F / f ) ; H = A + B + C + D + E + F - ( J * g ) ; K = ( G * x ) ; if ( A !== "0" ) { S1 = ( ( ( A / a ) / J ) * K * a ) ; } else { S1 = "0" ; } if ( B !== "0" ) { S2 = ( ( ( B / b ) / J ) * K * b ) ; } else { S2 = "0" ; } if ( C !== "0" ) { S3 = ( ( ( C / c ) / J ) * K * c ) ; } else { S3 = "0" ; } if ( D !== "0" ) { S4 = ( ( ( D / d ) / J ) * K * d ) ; } else { S4 = "0" ; } if ( E !== "0" ) { S5 = ( ( ( E / e ) / J ) * K * e ) ; } else { S5 = "0" ; } if ( F !== "0" ) { S6 = ( ( ( F / f ) / J ) * K * f ) ; } else { S6 = "0" ; } I = S1 + S2 + S3 + S4 + S5 + S6 ; if(!isNaN(H)) {$jq("span.es-result-span-h").text(H.toFixed(2));} else{$jq("span.es-result-span-h").text('Error: Please enter numerals only');} if(!isNaN(I)) {$jq("span.es-result-span-i").text(I.toFixed(2));} else{$jq("span.es-result-span-i").text('Error: Please enter numerals only');} }); });

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  • Toggling audio on click?

    - by angela
    please look at this fiddle http://jsfiddle.net/rabelais/yLdkj/1/ The above fiddle shows three bars that on hover play audios. How do I change this so the music plays and pauses on click instead. Also if one audio is playing and another is clicked how can the already playing song pause? $("#one").mouseenter(function () { $('#sound-1').get(0).play(); }); $("#one").mouseleave(function () { $('#sound-1').get(0).pause(); }); $("#two").mouseenter(function () { $('#sound-2').get(0).play(); }); $("#two").mouseleave(function () { $('#sound-2').get(0).pause(); }); $("#three").mouseenter(function () { $('#sound-3').get(0).play(); }); $("#three").mouseleave(function () { $('#sound-3').get(0).pause(); });

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  • Custom action getting published multiple times on user's timeline for same object

    - by serpent403
    I just noticed that when I publish an action on the user's timeline for the same object multiple times, using facebook's 'built-in' action type (eg: 'read' an article), i get an error response, something like "action is already associated to the user on this object". But when i try to do the same for a custom action that i created(eg: 'agreed' with an article), I don't get any error message, instead the actions gets published multiple times. I want my custom action to behave just like facebook's default action-type.

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  • Change css when tab has active class

    - by Yunowork
    I'm trying to change the background colour of the <body> depending on what tab specific is active. When a tab is active, a class called 'st_view_active' is added onto the tab content. In the tab content I add a hidden div with the hex code of what my body background colour should be when that tab is active, my jQuery code looks like this: $(document).ready(function() { $(function(){ $('body').css('backgroundColor',$('.st_view_active').find('.background').text()); }); }); And my html code when the tab is active is following: <div class="tab-6 st_view st_view_active" > <div style="display:none" class="background">yellow</div> <div class="st_view_inner"> tab 6 </div> </div> So when tab6 is active the background of the body should be yellow. However, this is not working, the background colour is not changing, what am I doing wrong here? DEMO and JSfiddle Thanks PS: The red and blue square is the next and previous tab handler..

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  • appending SVG string to dom

    - by Wieringen
    I'm trying to append a string of svg elements to the dom. This is my setup. var oFragment = ''; for (var i = 0; i < 10; i++) { oFragment += '<g><path id="note-1" d="M 6,3 84,6 c 0,0 -6,76 14,91 L 58,97 19,89 c 0,0 -24,-5 -13,-86 z" style="fill:#ffc835;" /></g> '; } Here is what i tried. It gives the following error: "parseXML is not defined" var oSVG = document.getElementById("svg-wall").getSVGDocument(); var oNotes = oSVG.getElementById('notes'); oNotes.appendChild(parseXML(oFragment, document)); So my question is what am i doing wrong and is this even the best way to append a svg string to the dom?

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  • Float Issue in IE

    - by MrEnder
    Ok I am making a simulated OS type interface. It should open up windows and have a drag handle. This all works perfectly. Then I added a image for an exit button I floated to the right... this made IE mad and IE screwed with the sizing and positioning =[ I've tried a crap load of things. None of which work. Anyone wana help? website is http://opentech.durhamcollege.ca/~intn2201/brittains/labs/ Thanks Shelby

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