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  • Javascript Cookie Function not working for Domain

    - by danit
    Here are the functions Im using: Set Cookie: function set_cookie ( name, value, exp_y, exp_m, exp_d, path, domain, secure ) { var cookie_string = name + "=" + escape ( value ); if ( exp_y ) { var expires = new Date ( exp_y, exp_m, exp_d ); cookie_string += "; expires=" + expires.toGMTString(); } if ( path ) cookie_string += "; path=" + escape ( path ); if ( domain ) cookie_string += "; domain=" + escape ( domain ); if ( secure ) cookie_string += "; secure"; document.cookie = cookie_string; } Read Cookie: function get_cookie ( cookie_name ) { var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' ); if ( results ) return ( unescape ( results[2] ) ); else return null; } Delete Cookie: function delete_cookie ( cookie_name ) { var cookie_date = new Date ( ); // current date & time cookie_date.setTime ( cookie_date.getTime() - 1 ); document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString(); } The Jquery I use to construct the cookie: if(get_cookie('visible')== 'no') { $("#wrapper").hide(); $(".help").hide(); $("#slid .show").show(); $("#slid .hide").hide(); } else { $("#slid .show").hide(); $("#slid .hide").show(); } $("#slider").click(function() { if(get_cookie('visible')== null) { set_cookie('visible','no', 2020, 01,01, '/', 'domain.com'); } else { delete_cookie('visible'); } $(".help").slideToggle(); $("#wrapper").animate({ opacity: 1.0 },200).slideToggle(200, function() { $("#slid img").toggle(); }); }); Im trying to set the cookie for all pages that exist under domain.com with the path '/'. However using these functions and jQuery it doesn't appear to be working, any anyone give me an idea of where im going wrong?

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  • JavaScript Module Pattern - What about using "return this"?

    - by Rob
    After doing some reading about the Module Pattern, I've seen a few ways of returning the properties which you want to be public. One of the most common ways is to declare your public properties and methods right inside of the "return" statement, apart from your private properties and methods. A similar way (the "Revealing" pattern) is to provide simply references to the properties and methods which you want to be public. Lastly, a third technique I saw was to create a new object inside your module function, to which you assign your new properties before returning said object. This was an interesting idea, but requires the creation of a new object. So I was thinking, why not just use "this.propertyName" to assign your public properties and methods, and finally use "return this" at the end? This way seems much simpler to me, as you can create private properties and methods with the usual "var" or "function" syntax, or use the "this.propertyName" syntax to declare your public methods. Here's the method I'm suggesting: (function() { var privateMethod = function () { alert('This is a private method.'); } this.publicMethod = function () { alert('This is a public method.'); } return this; })(); Are there any pros/cons to using the method above? What about the others?

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  • Global javascript variable not accessible in jquery change event

    - by Dan
    I have to be missing something simple, but I'm really not sure what. I'm not a JS veteran, so this may be an easy answer - sure hope so :). I have a button that, when clicked, gets JSON data. When a drop-down is changed, I check to see if there is data, if there is, I want to clear it out as the drop-down indicates what data to retrieve when the button is clicked The Code: var selected, $locDialog; var locations = []; $(function() { // Save the selected Name selected = $("#selected option:selected").val(); // Setup Dialog for Locations $locDialog = $('#location-dialog').dialog({ autoOpen: false }); // If user changes the selected // 1. Prompt for confirmation // 2. If users confirms, clear data $('#selected').change(function() { if (locations) { var confirmed = confirm("Oh Rly?"); if (confirmed) { // Clear data var locations; } } }); // When user clicks "Location" Button.. $('.loc-select button').click(function() { if (!locations) { $.getJSON("/Controller/JSONAction", { selectedId: selected, pageNum: 1, pageSize: 100 }, function(data) { locations = data; $.each(locations, function(index, loc) { var $tr = $('<tr/>') .append($('<td/>') .append('<input type="checkbox" name="TEST-'+index+'" value="'+loc.Id+'"/>')) .append('<td>' + loc.Name + '</td>'); $("#location-dialog table tbody").append($tr); }); }); } $locDialog.dialog('open'); return false; }); }); Here's the thing, Inside the .click(...) callback, I can see locations is []. Now, when I am in the .change(...) callback, I see locations is undefined. Any help/insight, as always, is appreciated!

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  • Unzipping zip archives with JavaScript in Firefox 3.6

    - by August Lilleaas
    I am toying with an application that will demo some Firefox 3.6 specific functionality, most of which are listed here: http://demos.hacks.mozilla.org/openweb/ I want to drag a zip file in the browser, unzip it, and work with the unzipped contents. Are there any existing libraries that can do this? Does FireFox 3.6 in particular have something I can use? Or would I have to roll my own unzipper library? For the record: http://github.com/augustl/js-unzip

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  • javascript image toggling

    - by Sunil Ramu
    I have a tree view which has a folder icon by default and once clicked it has to be changed to a checkbox icon. And further on clicking the checkbox icon should display a folder icon. Sample Code, Server side : c# htmlSb.AppendFormat(" {0}", emptyContent); JS code var Test= new Object(); Test.Controls=new Object(); Test.Controls.TreeView = new Object(); **Test.Controls.TreeView.SelectNode = function (TreeId, nodeLabel) { $("#" + TreeId + " li span, ul li span").css("background-color", "transparent"); nodeLabel.style.backgroundColor = "white"; nodeLabel.style.background = "url(../images/selected.gif) 0 0 no-repeat"; }** The other Image : if (nodeLabel.style.background = "url(../images/folderclosed.gif) 0 0 no-repeat") I need to toggle between "selected.gif" and "folderclosed.gif" images. If one is clicked the other should display. and vice versa. Please help.

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  • textfield value empty when i fill it with javascript

    - by Turi
    i am using modalpopup to enter some value in a textfield. after the value is selected in the modalpopup view, the modalpopup is closed and the value has taken the propriate value. Even if the value is displyed in the textfield, the textfield1.text returns me string empty. when i see the source code (html), i see that even that the textfield is displaying something it hasn't really this value in it, because the appropriate html input field hasn't value yet. thats the code i use to fill this textfield. function CloseRequestModal(s) { document.getElementById('<%=txtRequest.ClientID%>').value = s; var mpu = $find('<%=ModalPopupExtender3.ClientID%>'); mpu.hide(); } Please Help, Thanks in advance.

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  • Inline function and global variable issue in Javascript

    - by Natim
    I have some code here : http://bitbucket.org/natim/lo53_tp1/src/tip/part3/camions/medias/js/tracking.js That I use to draw some information about trucks direction. The problem come from a function defined in a for loop like this one : ... for(i = 0; i < nb_trucks; i++) { ... contentString = '<div id="content">'+ trucks[i]['name'] + '</div>'; current_window = new google.maps.InfoWindow({ content: contentString }); infosWindow.push(current_window); current_marker = new google.maps.Marker({ map: map, position: new google.maps.LatLng(trucks[i]['end']['lat'], trucks[i]['end']['lon']), draggable: false, title: trucks[i]['name'] }); markers.push(current_marker); google.maps.event.addListener(current_marker, 'click', function() { current_window.open(map, current_marker); }); } In this code, you can see the last block google.maps.event.addListener(current_marker, 'click', function() { current_window.open(map, current_marker); }); And my problem is that current_marker in the addListener parameters is different from the one inside the function. The current_window and the current_marker inside the function is overide at each loop turn. How can I get it right ? Thanks

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  • my javascript code is working in internet explorer but not working in mozilla

    - by goutham
    function buildMenu() { speed=35; topdistance=100; items=6; y=-50; ob=1; if (navigator.appName == "Netscape") { v=".top=",dS="document.",sD=""; } else { v=".pixelTop=",dS="",sD=".style"; } } function scrollItems() { if (ob<items+1) { objectX="object"+ob; y+=10; eval(dS + objectX + sD + v + y); if (y<topdistance) setTimeout("scrollItems()",speed); else y=-50, topdistance+=40, ob+=1, setTimeout("scrollItems()",speed); } }

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  • For loop in Javascript runs only once

    - by user592748
    Here is my code. I do not quite understand why the for loop runs only once, both inner and outer. nodeList.length and innerNodeList.length show appropriate values when I generate alert messages. I see that both i and j do not increment beyond 0. Kindly point out anything wrong with the code. function getCategoryElements() { var newCategoryDiv = document.getElementById("category"); var nodeList = newCategoryDiv.childNodes; for (var i = 0; i < nodeList.length; ++i) { var innerNodeList = nodeList[i].childNodes; alert("innerNodeList Length" + innerNodeList.length.toString()); for (var j = 0; j < innerNodeList.length; ++j) { if (innerNodeList[j].nodeName == "SELECT") { alert("inside select Node value " + innerNodeList[j].nodeValue.toString()); document.getElementById("newCategories").value = document.getElementById("newCategories").value + '<%=delimiter%>' + innerNodeList[j].nodeValue; } else if (innerNodeList[j].nodeName == "TEXTAREA") { document.getElementById("newCategoriesData").value = document.getElementById("newCategoriesData").value + '<%=delimiter%>' + innerNodeList[j].nodeValue; } } } }

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  • javascript getting complete code of element when mouseover or onclick

    - by oimoim
    Hi, How can I get the complete html code of the element i'm mouseovering or clicking ? Using document.onmouseover = function(e){ can I get the full underlying html code of the element which triggered the event ? Right now, I am able to get the tag name or id or whatever. What I would like is the whole code. For example; if I'm mouseovering a table, I would like to get the string : <table><tr><td></td></tr></table> Is this possible ?

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  • Accessing a JavaScript object property names with a "-" in it

    - by Anil kumar
    I have a requirement to read JSON data in my application. Problem is that the JSON data that I am getting from the service includes "-" and when I am trying to read it, I am getting "Uncaught ReferenceError: person is not defined ". e.g. I have below JSON object- var JSONObject ={ "name-person":"John Johnson", "street":"Oslo West 16", "age":33, "phone":"555 1234567"}; when I am writing below console log statement I am getting "Uncaught ReferenceError: person is not defined " error console.log(JSONObject.name-person); Can someone please help me how to read such data which includes "-" in it? I do not have control on the service and the DB so to modify source data is not in my hand.

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  • How to load file into javascript

    - by misha-moroshko
    I have an HTML table that should be updated according the file that user uploads. In other words, I would like user to be able to upload a file, and change the contents of the table according to file content. The file size can be several MB. What are my options ? Do I must to upload the file to a server, or it can be done in client side ? Thanks !

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  • Javascript Canvas Element - Array Of Images

    - by Ben Shelock
    I'm just learning JS, trying to do things without jQuery, and I want to make something similar to this however I want to use an array of images instead of just the one. My image array is formed like this var image_array = new Array() image_array[0] = "image1.jpg" image_array[1] = "image2.jpg" And the canvas element is written like this. (Pretty much entirely taken from the Mozilla site) function draw() { var ctx = document.getElementById('canvas').getContext('2d'); var img = new Image(); img.src = 'sample.png'; img.onload = function(){ for (i=0;i<5;i++){ for (j=0;j<9;j++){ ctx.drawImage(img,j*126,i*126,126,126); } } } } It uses the image "sample.png" in that code but I want to change it to display an image from the array. Displaying a different one each time it loops. Apoligies if I've not explained this well.

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  • Javascript: Passing large objects or strings between function considered a bad practice

    - by Mr. Smee
    Is it considered a bad practice to pass around a large string or object (lets say from an ajax response) between functions? Would it be beneficial in any way save the response in a variable and keep reusing that variable? So in the code it would be something like this: var response; $.post(url, function(resp){ response = resp; }) function doSomething() { // do something with the response here } vs $.post(url, function(resp){ doSomething(resp); }) function doSomething(resp) { // do something with the resp here } Assume resp is a large object or string and it can be passed around between multiple functions.

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  • Can run Javascript but not jQuery?

    - by blazonix
    I'm running into a strange problem - I tried running a basic function in JS and jQuery, and while the former worked, the latter didn't. JS - okay alert('Works'); jQuery - not okay $(document).ready({ alert('Works'); }); Here's some facts: My references to the jQuery library are correct (And pretty sure my Internet connection is steady :) I'm using a CDN - CloudFlare to be exact, but I've switched development mode on and Rocket Loader off - so all the code I've uploaded to the server is WYSIWYG (CloudFlare adds some stuff in the tags if you leave Rocket Loader on. I tried running the alert code in the head section, and elsewhere in the body tags, to no avail. What could have possibly gone wrong? EDIT 1: The page is here - http://casestudieslounge.com/chat/BIM/WebContent/chat.php

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  • How much does Javascript garbage collection affect performance?

    - by Long Ouyang
    I'm writing a bunch of scripts that present images serially (e.g. 1 per second) and require the user to make either a keyboard or mouse response. I'm using closures to handle the timing of image presentation and user input. This causes garbage collection to happen pretty frequently and I'm wondering if that will affect the performance (viz. timing of image presentation).

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  • javascript - rollover effect on overlapping transparent images

    - by user427969
    I want to add rollover effect on overlapping transparent images. For example: The following image is divided into 5 parts and I want to add rollover effect (different image) on each of them When O tried with div or img tag, the image is rendered as a rectangle so rollover effect is not proper. When i rollover on green part between yellow, the yellow image gets highlighted because its z-index is high. Following is the code that I tried: <body> <br /> <img src="part1.png" onclick="console.log('test1');"/> <img src="part2.png" onclick="console.log('test2');" style="position:absolute; left:30px; top: 19px;"/> <img src="part3.png" onclick="console.log('test3');" style="position:absolute; left:70px; top: 15px;"/> <img src="part4.png" onclick="console.log('test4');" style="position:absolute; left:95px; top: 16px;"/> <img src="part5.png" onclick="console.log('test5');" style="position:absolute; left:123px; top: 24px;"/> </body> images = , , , , I don't want to use jQuery, if possible.

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  • Continuing JavaScript "classes" - enums within

    - by espais
    From a previous question, I have the following: So I have implemented a resource class, now I'd like to continue extending it and add all my constants and enums (or as far as JS will allow...). This is what I currently have: var resources = { // images player : new c_resource("res/player.png"), enemies : new c_resource("res/enemies.png"), tilemap : new c_resource("res/tilemap.png") }; And this is what I would like to continue to extend it to: var resources = { // images player : new c_resource("res/player.png"), enemies : new c_resource("res/enemies.png"), tilemap : new c_resource("res/tilemap.png"), // enums directions : {up:0, right:1, down:2, left:3}, speeds : {slow: 1, medium: 3, fast: 5} }; ... function enemies() { this.dir = resources.directions.down; // initialize to down } When I attempt to access resources.directions.up, my JS script goes down in a flaming pile of burning code. Are enums allowed in this context, and if not, how can I properly insert them to be used outside of a normal function? I have also tried defining them as global to a similar effect. edits: fixed the comma...that was just an error in transcribing it. When I run it in Firefox and watch the console, I get an error that says resources is undefined. The resources 'class' is defined at the top of my script, and function enemies() directly follows...so from what I understand it should still be in scope...

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  • Using jQuery or javascript to render json into multi-column table

    - by Scott Yu - UX designer
    I am trying to render a JSON into a HTML table. But the difficulty is making it so it loops through JSON and renders multiple columns if necessary. For the example below, what I want is this: Result wanted Result Wanted <table> <tr><th>AppName</th><td>App 1</td><td>App 2</td></tr> <tr><th>Last Modified</th><td>10/1/2012</td><td></td></tr> <tr><th>App Logo</th><td>10/1/2012</td><td></td></tr> blahblah </table> <table> <tr><th>AppName</th><td>App 1</td></tr> blahblah </table> JSON Example "Records": [ { "AppName": "App 1", "LastModified": "10/1/2012, 9:30AM", "ShipTo_Name": "Dan North", "ShipTo_Address": "Dan North", "ShipTo_Terms": "Dan North", "ShipTo_DueDate": "Dan North", "Items 1": [ { "Item_Name": "Repairs", "Item_Description": "Repair Work" } ] }, { "AppName": "App 2", "AppLogo": "http://www.google.com/logo.png", "LastModified": "10/1/2012, 9:30AM", "BillTo_Name": "Steve North", "Items 1": [ { "Item_Name": "Repairs", "Item_Description": "Repair Work" } ] } ], "Records": [ { "AppName": "App 1", "LastModified": "10/1/2012, 9:30AM", "ShipTo_Name": "222", "ShipTo_Address": "333 ", "ShipTo_Terms": "444", "ShipTo_DueDate": "5555", "Items 1": [ { "Item_Name": "Repairs", "Item_Description": "Repair Work" } ] } ], Code I am using now function CreateComparisonTable (arr,level,k) { var dumped_text = ""; if(!level) level = 0; //The padding given at the beginning of the line. var level_padding = ""; for(var j=0;j<level+1;j++) level_padding = "--"; if(typeof(arr) == 'object') { //Array/Hashes/Objects for (var item in arr) { var value = arr[item]; if (typeof(value) == 'object') { //If it is an array, if(item !=0) { dumped_text += '<tr><td>' + item + '<br>'; dumped_text += CreateComparisonTable(value,level+1); dumped_text += '</td></tr>'; } else { dumped_text += CreateComparisonTable(value,level, value.length); } } else { dumped_text += '<tr><td>' + level_padding + item + '</td><td>' + value + '</td></tr>'; } } } return dumped_text; } Jsfiddle here

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  • Visual Studio 2010: Publish minified javascript files instead of the original ones

    - by salgiza
    I have a Scripts folder, that includes all the .js files used in the project. Using the Ajax Minifier task, I generate .min.js files for each one. Depending on whether the application is running in debug or release mode, I include the original .js file, or the minified one. The Scripts folder looks like this: Scripts/script1.js Scripts/script1.min.js // Outside the project, generated automatically on build Scripts/script2.js Scripts/script2.min.js // Outside the project, generated automatically on build The .min.js files are outside the project (although in the same folder as the original files), and they are not copied into the destination folder when we publish the project. I have no experience whatsoever using build tasks (well, apart from including the minifier task), so I would appreciate if anyone could advise me as to which would be the correct way to: Copy the .min.js files to the destination folder when I publish the app from Visual Studio. Delete / Not copy the original js files (this is not vital, but I'd rather not copy files that will not be used in the app). Thanks,

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