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• onchange event not fire in google chrome

  - by purnang.advant

  I have a web application build on asp.net, the Textbox onchange event not working in chrome? On page load i wrote this code, textbox1.Attributes.Add("onchange", "SetEditDataFlag();"); SetEditDataFlag() -- it is a javascript function. When I browse the application in chrome then this function is not called when i changed some value on the textbox.Its working properly in IE. Thanks in advance.Please help me.

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• Dynamic CSS Width

  - by Alon

  I have a <div></div> and I want that its width will be the page width minus 40 pixels. Is there any way to do this without JavaScript or expression (because expression works only in IE)? Thanks.

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• OAuth-Wrap Beginners Tutorial

  - by ChrisMJ

  Ok im looking for beginners OAuth-Wrap tutorials. I want to know where to begin. I will be using Javascript / PHP for my coding. I want to play around with an API that uses OAuth-Wrap. If can help me that would be much appreciated :)

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• Are iframes a terrible idea?

  - by jamtoday

  I'm building a widget, and I've been using iframes to present content within it. At some point, I might start serving third party HTML and JS, so I thought iframes would be a good idea. It does make the widget javascript a little more complicated, and I'm concerned that this might not be the best implementation. Do you have any advice? It would be a huge help to hear what other people think about iframes.

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• iPad HTML Prototype: Which JS framework?

  - by Stefan

  Hi, are there any Javascript frameworks (such as iUI) for building iPad prototypes available? I have found nothing useful so far. Best, Stefan

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• how to match all language characters like english, greek, chinese except the special characters

  - by railscoder

  I have a display name field which i have to validate using JavaScript regex. We have to match all language characters like chinese, german, spanish in addition to english language characters except special characters like *(). I am struck on how to match those non-latin characters. Any help appreciated.

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• Why navigator.appCodeName returning Mozilla?

  - by Venkats

  I am using the browser Firefox and IE. I have run the java script program. In that I was found both the browser code name is showed as: Mozilla. Why? The code is <script type="text/javascript"> document.write("Browser CodeName: " + navigator.appCodeName); </script>

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• XMLHttpRequest in a loaded XMLHttpRequest

  - by donny-php

  Hello I'm using javascript to load data in a div trough XMLHttpRequest now i'm wondering if it's possible to make another XMLHttpRequest in that loaded div so an new onclick in my result Greetings

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• Is there offline version of JSLint for Windows?

  - by z-boss

  I'd like to check my JavaScript files without going to JSLint web site. Is there a desktop version of this tool for Windows?

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• How to show server errors in Rails 2.3.5 with JSON and jQuery

  - by Fortuity

  I've got in-place editing on a page in my app (using Rails 2.3.5 and jQuery). I want to know how to display an error on the page when the update fails. I'm using ajax (an XMLHttpRequest) to save an update to a Comment object. The controller has an update method like this: def update @comment = Comment.find(params[:id]) respond_to do |format| # if @comment.update_attributes!(params[:comment]) if false #deliberately forcing a fail here to see what happens format.json { render :nothing => true } else format.json { render :json => @comment.errors, :status => :unprocessable_entity } end end end In Firebug, I can see the server returns a "422" (an appropriate validation error status code). But it's a response to an XMLHttpRequest so there is no redirect to an error page. I think I actually want to do this: format.json { render :json => @comment.errors} or maybe this: format.json {render :json => { :status => :error, :message => "Could not be saved" }.to_json, :status => 400 } and trigger some Javascript function that iterates through (and displays) any errors. I'm using a rails plugin http://github.com/janv/rest_in_place/ to implement the in-place editing. It doesn't appear to have any callback function to handle a failure. What are my options? Can I write some Javascript to respond to a failure condition without hacking the plugin? Do I have to hack the rest_in_place plugin to handle a failure condition? Is there a better plugin (for Rails or jQuery) that handles in-place editing, including failure conditions? UPDATE This post from Peter Bui (http://paydrotalks.com/posts/45-standard-json-response-for-rails-and-jquery) was helpful in showing how to handle an error message from the server using XMLHttpRequest.status. I looked at his implementation of a blog using ajax (http://github.com/paydro/talks). I'm surprised at the complexity required to handle a simple error condition. Usually Rails has all the goodness baked in but it seems server errors with JSON are out of scope. Can that be? I also looked at grimen's validatious-on-rails (http://github.com/grimen/validatious-on-rails/) which accommodates models validations when ajax XMLHttpRequest is used. It's not clear to me how I'd use it to handle the general case of a "save" failing when validations succeed. P.S. Please vote me up... so I can use more than one HTML link when I ask my question :-)

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• Javascipt select a sentence in textarea

  - by John Adawan

  I'm thinking if there is a way to use javascript to pick up ANY ONE sentence from a textarea simply by clicking any position within that sentence. I'm thinking along the line of - first, get current cursor position (which I know how) - second, somehow locate the position of the previous fullstop and the next fullstop (how?) - take whatever content within the two fullstops. (how?) Or there is a simple way to do it?

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• uploadify email notification

  - by kwek-kwek

  Is it possible for "Uploadify" to send out e-mail confirmation after the upload? here is the script: <script type="text/javascript"> $(document).ready(function() { $("#uploadify").uploadify({ 'uploader' : 'scripts/uploadify.swf', 'script' : 'scripts/uploadify.php', 'cancelImg' : 'cancel.png', 'folder' : 'uploads', 'auto' : true, 'multi' : true, 'onComplete' : function(event, queueID, fileObj, response, data) { $('#message').html( 'files were successfully uploaded'); $('#message').show().animate({'display':'block'},3000).hide(500); } }); }); </script>

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• understanding json

  - by Yang

  JSON stands for JavaScript Object Notation. But how come languages like php, java, c etc can also communication each other with json. What I want to know is that, am i correct to say that json is not limited to js only, but served as a protocol for applications to communicate with each other over the network, which is the same purpose as XML?

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• convert a number to the shortest possible character string while retaining uniqueness

  - by alumb

  I have a list of digits, say "123456", and I need to map it to a string, any string. The only constraint on the map functions are: each list of digits must map to a unique character string (this means the string can be arbitrarily long) character string can only contain 0-9, a-z, A-Z What map function would produce the shortest strings? Solutions in JavaScript are preferred. note: Clearly the simplest solution is to use the original list of digits, so make sure you solution does better than that.

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• calculate number of working days on a rails form

  - by ash34

  I have two fields, 'from_date' and 'to_date' on my rails form. When a user enters the dates I have to display the number of working days i.e, exclude (sat, sun and a list of other official holidays in a database table). Is this something that should be done in the client side javascript Or is this something that should be done by making an ajax request to rails. Can you tell me how I can accomplish this. thanks much.

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• How does Appcelerator Titanium Mobile Work?

  - by Darrell Brogdon

  I'm working on building an iPhone app with Titanium Mobile 1.0 and I see that it compiles down to a native iPhone binary. How does this work? Seems like it would take a lot of heavy lifting to analyze the JavaScript code and do a direct translation into Objective-C without having a subset language like 280 North's Objective-J and Cappuccino.

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• Rotate point in rectangle

  - by Dested

  I have a point in a rectangle that I need to rotate an arbitrary degree and find the x y of the point. How can I do this using javascript. Below the x,y would be something like 1,3 and after I pass 90 into the method it will return 3,1. |-------------| | * | | | | | |-------------| _____ | *| | | | | | | | | _____ |-------------| | | | | | *| |-------------| _____ | | | | | | | | |* | _____ Basically I am looking for the guts to this method function Rotate(pointX,pointY,rectWidth,rectHeight,angle){ /*magic*/ return {newX:x,newY:y}; }

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• Show google maps on mobile website

  - by GatesReign

  Is it possible to add google maps on a site designed specifically for the iPhone? I have never integrated maps in my websites before, so this question really goes more because of my inexperience. Using basic html and javascript at the moment.

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• Is there a JQuery alternative to JQTouch with better Android Support?

  - by Autofill

  Basically looking for a JQuery plugin with better Android browser support than JQTouch. Or even an alternative Javascript framework with better mobile support.

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• getElementByClass().setAttribute doesn't work

  - by Syom

  why when i write document.getElementByClass('home1').setAttribute('style', 'background-image:url(img/red_menu.PNG);'); it doesn't work? i have the element with class="home1" with document.getElementById('home1')... works fine thanks EDIT: and when i wrote document.getElementByClassName('home1').setAttribute, i have a javascript error Error: document.getElementsByClassName("home1").setAttribute is not a function

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• Remove/hide browser address bar or toolbar web page

  - by Geetha

  Hi All, I am creating web page using asp.net. Is it possible to remove/hide the browsers address bar or toolbar using Javascript for IE. Nathiya.

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• What's the difference between compiled and interpreted language?

  - by Mike

  After reading some material on this subject I'm still not sure. I was told this is one of the differences between java and javascript. Would someone please help me in understanding it? Thanks, Mike

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• CSS Semi-fixed Element?

  - by Kelso.b

  I remember seeing an example of this recently, but for the life of me I can't find the site. It was a button or something similar that sat in its place near the top of the screen, then when you scroll down it stays on screen. Now that I think about it, it must have been javascript-powered, but it looked really natural. Does anyone know of a site with this functionality or information on how to do it?

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• How do I open a new browser tab?

  - by Ionut Staicu

  Hi guys. I'm working on this project and I have to open a new browser tab. Actually, I have to open a target="_blank" link without the link. I know is not right to interfere with the user preferences, but hey, this is the project requirements. So, long story short, i have to replicate the target="_blank" behavior only with javascript. Is this even possible? Thanks!

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• Convert tags to html entities

  - by Sarfraz

  Hello, Is it possible to convert html tags to html entities using javascript/jquery using any way possible such as regex or some other way. If yes, then how? Example: <div> should be converted to &lt;div&gt;

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