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• Largest successful JavaScript project? [closed]

  - by 80x24 console

  A common theme in the GWT community is "I wouldn't want to build a project of THAT size using a pure JavaScript library!" What is the largest project that you have successfully delivered with frontend functionality written in JavaScript? (not Java or GWT) Please provide at least a hand-wavy SLOC estimate of the unique JS code (not including…

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• Develop JavaScript API to expose web services [closed]

  - by Apps

  We are planning to develop a JavaScript API to expose some of our J2EE based services. We are doing this keeping Google Maps API in mind. Can someone please suggested where we should start and the approaches that we need to follow to create a useful and extensible JavaScript API? These are the things that we are considering to achieve. It…

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• From Java to Javascript? [duplicate]

  - by theGreenCabbage

  This question already has an answer here: Are there any OO-principles that are practically applicable for Javascript? 2 answers I am primarily a Java programmer. Because of its…

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• Calling a parameterized javascript function from php [migrated]

  - by Ginger

  I need to call a javascript function from php, by passing a value in php variable. My code goes like this: echo '<tr class="trlight"><td onclick="callVehicle('.$qry_vehicleid.');"><label>Call Vehicle</label>&nbsp;</td></tr>'; And in javascript file I try to execute the following code: function…

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• JavaScript malware analysis

  - by begueradj

  I want to test websites for JavaScript malware presence . I plan to develop a Python program that sends the URL of a given website to a virtual machine where the dynamic execution of the eventual malicious JavaScript embedded in the website's page is monitored. My questions: Should my VM be Windows or Linux ? What if the malware…

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• Point and click synonym replacement in text area with Javascript

  - by SilentD

  I am trying to create a site that will allow you to type a sentence or passage of text, then click on words to bring up a list of synonyms (from an online API) and possibly authorized abbreviations from a list that I provide, then once clicked on it would replace that word with the word that was clicked on. It would function kind…

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• Detect Click into Iframe using JavaScript

  - by Russ Bradberry

  I understand that it is not possible to tell what the user is doing inside an iframe if it is cross domain. What I would like to do is track if the user clicked at all in the iframe. I imagine a scenario where there is an invisible div on top of the iframe and the the div will just then pass the click event to the iframe. Is…

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• Javascript regex URL matching

  - by Blondie

  I have this so far: chrome.tabs.getSelected(null, function(tab) { var title = tab.title; var btn = '<a href="' + tab.url + '" onclick="save(\'' + title + '\');"> ' + title + '</a>'; if(tab.url.match('/http:\/\/www.mydomain.com\/version.php/i')) { document.getElementById('link').innerHTML =…

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• RegEXP Javascript URL matching

  - by Blondie

  I have this so far: chrome.tabs.getSelected(null, function(tab) { var title = tab.title; var btn = '<a href="' + tab.url + '" onclick="save(\'' + title + '\');"> ' + title + '</a>'; if(RegExp('/http:\/\/www.mydomain.com\/version.php/i') == true) { document.getElementById('link').innerHTML…

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• Stop event bubbling in Javascript

  - by Kartik Rao

  I have a html structure like : <div onmouseover="enable_dropdown(1);" onmouseout="disable_dropdown(1);"> My Groups <a href="#">(view all)</a> <ul> <li><strong>Group Name 1</strong></li> <li><strong>Longer Group…

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• In Javascript event handling, why "return false" or "event.preventDefault()" and "stopping the event

  - by Jian Lin

  It is said that when we handle a "click event", returning false or calling event.preventDefault() makes a difference, in which the difference is that preventDefault will only prevent the default event action to occur, i.e. a page redirect on a link click, a form submission, etc. and return false will also stop …

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• JSINQ (Linq for JavaScript library) sub-queries (how-to)

  - by Tom Tresansky

  I'm using this library: jsinq. I want to create a new object using subqueries. For example, in .NET LINQ, I could do something like this: from a in Attendances where a.SomeProperty = SomeValue select new { .Property1 = a.Property1, .Property2 = a.Property2, .Property3 = (from p in People …

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• Server side Javascript best practices?

  - by Petteri Hietavirta

  We have a CMS built on Java and it has Mozilla Rhino for the server side JS. At the moment the JS code base is small but growing. Before it is too late and code has become a horrible mess I want to introduce some best practices and coding style. Obviously the name space control is pretty important. But how about other…

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• JavaScript: Keeping track of eventListeners on DOM elements

  - by bobthabuilda

  What is the best way to keep track of eventListener functions on DOM elements? Should I add a property to the element which references the function like this: var elem = document.getElementsByTagName( 'p' )[0]; function clickFn(){}; elem.listeners = { click: [clickFn, function(){}] }; elem.addEventListener( 'click',…

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• How to trigger event in javascript

  - by KoolKabin

  Hi guys, I have attached a event to a text box using addEventListener. It works fine. My problem arouse when i wanted to trigger the event programmatically from another function. how can i do it?

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• Javascript Object/Array population question

  - by gnomixa

  Is there a difference between: var samples = { "TB10152254-001": { folderno: "TB10152254", ordno: "001", startfootage: "", endfootage: "", tagout: "Y" }, "TB10152254-002": { folderno: "TB10152254", ordno:…

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• javascript addEventListener onStateChange not working in IE

  - by user347456

  Hi, I have two colorbox popup boxes which show a youtube video in each. When they're finished playing, I'm trying to have them automatically close the colorbox window. This code below works perfect in firefox, but in IE I can't get addEventListener to work. I've tried attachEvent with no success. Can anybody…

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• How to cancel a keypress event in C# as welll as javascript and jquery

  - by Shantanu Gupta

  I want to cancel out key press event when my textarea field gets n no of characters from user. At that point i dont want user to enter any more character what to do

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• Javascript childNodes does not find all children of a div when appendchild has been used

  - by yesterdayze

  Alright, I am hoping someone can help me out. I apologize up front that this one may be confusing. I have included an example to try to help ease the confusion as this is better seen then heard. I have created a webpage that contains a group or set of groups. Each group has a subgroup. In a nutshell what is…

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• JavaScript: Doing some stuff right before the user exits the page

  - by Mike

  I have seen some questions here regarding what I want to achieve and have based what I have so far on those answer. But there is a slight misbehavior that is still irritating me. What I have is sort of a recovery feature. Whenever you are typing text, the client sends a sync request to the server every 45…

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• Detecting a image 404 in javascript.

  - by xal

  After a user uploads a file we have to do some additional processing with the images such as resizing and upload to S3. This can take up to 10 extra seconds. Obviously we do this in a background. However, we want to show the user the result page immediately and simply show spinners in place until the…

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• JavaScript: input validation in the keydown event

  - by c411

  Hi, I'm attempting to do info validation against user text input in the process of keydown event. The reason that I am trying to validate in the keydown event is because I do not want to display the characters those that are considered to be illegal in the input box at the beginning. The validation…

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• Image viewport with zoom in Javascript

  - by pakore

  I want to display a huge image inside a viewport in a html page. I would like to be able to drag and drop the image to move it inside the viewport, like in Google Maps. Any library where I can find such component? Thanks in advance

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• Advantages of using [] over new Array() in JavaScript

  - by Alex

  What are the advantages of using var foo = []; over using var bar = new Array(); i've been told to use [] over new Array() but never with much explanation

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• Use Javascript to retrieve HTML on same-domain

  - by ehfeng

  Say I have an xml document on a webserver (www.example.com/example.xml). On my main page, if I would like to retrieve that document as a string, how can I do this? I tried xmlhttprequest - maybe I'm using it wrong? It returns it as "undefined." Help? var xml_page = new…

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