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• How can I implement a 'select all' check-box on my CRM 4 custom form?

  - by Gryphoenix

  I am working on a custom CRM form with numerous checkboxes, organized by sections. I would like to implement a 'select all' feature to the form and am trying to understand how to format the JavaScript. My research thus far has pointed me to the possibility of using a FOR statement to iterate through all of the elements in the section I want to process, setting their values accordingly, but am unsure of which document.getElements ... method to utilize.

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• Is it a bug in Ecmascript - /\S/.test(null) returns true ?

  - by Lauri

  Both in Actionscript3 and Javascript these statements give the same result: /\S/.test(null) = true /null/.test(null) = true /m/.test(null) = false /n/.test(null) = true Seems that null value is converted into string "null" in this case. Is this a known bug in Ecmascript or am I missing something?

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• JQuery: How do I perform a callback on JQuery once it's loaded?

  - by Teddyk

  I'm downloading JQuery asynchronously: function addScript(url) { var script = document.createElement('script'); script.src = url; document.getElementsByTagName('head')[0].appendChild(script); } addScript('jquery.js'); // non-jquery code ... // jquery specific code like: $()... As such - how do I call my JQuery specific code once JQuery is loaded (because since I'm downloading my JavaScript asynch - it's not blocking, which is good, but is trying to execute my JQuery specific code before JQuery has been loaded).

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• How to upload string as file with jQuery or other js framework.

  - by Romka

  using javascript. I have a file in string (getted with ajax request). How to upload it as file to server by another ajax request ?

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• js function to get filename from url

  - by Blankman

  Hi, I have a url like http://www.example.com/blah/th.html I need a javascript function to give me the 'th' value from that. All my urls have the same format (2 letter filenames, with .html extension). I want it to be a safe function, so if someone passes in an empty url it doesn't break. I know how to check for length, but I should be checking for null to right?

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• Load script with parameters

  - by Doseke

  Before I used .jsp pages for jsf, and the below code was pretty fine <script language="javascript" src='<%= renderResponse.encodeURL(renderRequest.getContextPath() +"/resources/jsCropperUI/scriptaculous.js?load=effects,builder,dragdrop") %>' > </script> Now, I'm using .xhtml with RichFaces, and the below code does not work <a4j:loadScript src="/resources/jsCropperUI/scriptaculous.js?load=effects,builder,dragdrop"/> Exception is Static resource not found for path /resources/jsCropperUI/scriptaculous.js?load=effects,builder,dragdrop How can I fix this?

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• Why is `goog.Disposable.call(this);` necessary?

  - by David Faux

  In this snippet of Google Closure javascript code involving a constructor, why is goog.Disposable.call(this); necessary? Doesn't Foo already inherit from Disposable with goog.inherits(foo, goog.Disposable);? goog.provide('foo'); /** * @constructor */ foo = function(){ goog.Disposable.call(this); } goog.inherits(foo, goog.Disposable); foo.prototype.doSomething = function(){ ... } foo.prototype.disposeInternal = function(){ ... }

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• Splitting a file before upload?

  - by Yevgeniy Brikman

  On a webpage, is it possible to split large files into chunks before the file is uploaded to the server? For example, split a 10MB file into 1MB chunks, and upload one chunk at a time while showing a progress bar? It sounds like JavaScript doesn't have any file manipulation abilities, but what about Flash and Java applets? This would need to work in IE6+, Firefox and Chrome. Update: forgot to mention that (a) we are using Grails and (b) this needs to run over https.

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• onclick event is not fire in google chrome

  - by purnang.advant

  I am trying to fire the asp.net button click event from javascript. Its working fine in IE, but the same code is not working on Chrome, please help me. Here is the js code, var btnSave = document.getElementById('btnSave'); btnSave.click(); alert("The changes are saved sucessfully!!"); Please help me

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• HTML5 Canvas + select / drag-and-drop features in a JS lib?

  - by István

  Hi, I'd like to use HTML5 Canvas, but I'd like to use it in terms of shapes, texts and curves, able to attach traditional DOM events like onClick or drag-and-drop functions. Is there any Javascript library that is able to do that for me? I've seen that gwt-canvas is close to this approach, but haven't looked it in details. Thanks, Istvan

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• Allowing just Numeric Text on Input Text field

  - by systempuntoout

  There are many solutions suggested on Stack Overflow but i did not find it one that satisfy my requirements. I was using Jquery Numeric plugin but i found that is not working (does not allow pasting) on FireFox 3.6 on Osx. I'm searching a Jquery plugin or Javascript snippet that allow just Numeric Text on a Input Text field. I have these requirements: Should allow just numeric text Should NOT allow punctuation (.,) Should NOT allow dashed text (-) Should allow pasting just for numeric text Multibrowser Multiplatform

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• Convert 2010-04-16 16:30:00 to "Tomorrow Afternoon".

  - by Allan Davies

  Convert 2010-04-16 16:30:00 to "Tomorrow Afternoon" or convert another date to "this afternoon", "next year", "next week wednesday". You get the picture. Anyone know of a PHP or Javascript library that can do this?

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• Why are pushpins automatically added to my VEShapeType.Polyline object

  - by cocoliscious

  Hi, I am trying to create a number of polylines in Javascript. For some reason, bing maps automatically/randomly adds pushpins in the middle of some of these polylines. Does anyone know why this is the default behaviour and how I can override it? Thanks!

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• how can i change the image url of an image based on #var=test variable?

  - by korben

  i'm try to change an image's imageurl on an aspx asp.net c# page based on a variable from #var=1 (or 2, or 3, or 4) i know nothing about javascript unfortunately which is what i've been told i need. can anyone point me at a novice based script i can try to learn via implementation?

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• Database design for business numbers

  - by Rob Morris

  I'm in need of some help, I need to store the information below into a database, what would the relational database structure be for this: Then I need to create a dropdown for the insurance company followed by another dropdown depending on what the first dropdown selected value was, then once both selects have been chosen display the relevant telephone number. I guess i need to query the database, then display the dropdowns using javascript(jquery) or Ajax?

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• Hide table rows except head

  - by Kemrop

  Without Jquery or any JavaScript library i need to hide the rows of a simple html table except for the table head on page load.

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• Which is a better way to detect a clients user-agent?

  - by westoque

  I am interested if which would be the best place to detect the clients user-agent, client-side (javascript) or server-side? I brought up the question due to the fact that some IE8 users are getting a message saying they're using IE6

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• possible to use jquery to skip to a certain part of a page, based on its div class?

  - by Brad

  I want a link that scrolls the page to the start of the <div class="content-body"> The same functionality as a: <a href="#maincontent">Skip</a>, and placing <a name="maincontent"></a> right next to <div class="content-body"> I am seeing if it is possible via jQuery, and want to know if I would run into any problems down the road using that method (besides the user having javascript disabled).

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• The input validation happens when a change is done to one of the two text inputs (onChange event).

  - by A sw A

  Write a JavaScript that has two text input; one for name and one for phone number. It also has two buttons: Reset and Submit. The name should be in the format: (LastName, FirstName, MiddleInitial.) The phone number should be in the format (ddd-ddd-dddd) The input validation happens when a change is done to one of the two text inputs (onChange event).

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• Difference between screen.availHeight and window.height

  - by akshayexp

  Hi, I am executing the following javascript on my browser(firefox) 1.console.debug("Screen height = "+ screen.availHeight); //output 770 2.console.debug("Window Height ="+ $(window).height()); //output 210 (i am using jQuery as well) What is the difference between the two? Are units of 770 is pixels and 210 is mm ? Similarly, when I write $(document).height() and $(window).height() , there is a difference . What is the reason ?

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• Scripting an input element of an HTML form?

  - by dfjhdfjhdf

  By design I need an input element typed text but I do not need an input element typed submit. I want to submit what's written in the input element once the enter key pressed. How would I do that in JavaScript? Do I need tags and other stuff or could I do it without them (just using )?

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• How to scroll to specific position in BlackBerry web browser?

  - by sashaeve

  How to scroll down / up to the specific position by using JavaScript in BlackBerry web browser? Are properties like scrollOffset, scrollTop, scrollLeft etc. are supported? If not what code can be used?

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• Web UI for inputting a function from the reals to the reals, such as a probability distribution.

  - by dreeves

  I would like a web interface for a user to describe a one-dimensional real-valued function. I'm imagining the user being presented with a blank pair of axes and they can click anywhere to create points that are thick and draggable. Double-clicking a point, let's say, makes it disappear. The actual function should be shown in real time as an interpolation of the user-supplied points. Here's what this looks like implemented in Mathematica (though of course I'm looking for something in javascript):

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• How do you make a regular expression that matches a word with one randomly inserted character?

  - by Dfowj

  Hey all, i want to use a regular expression to match a word with one specified character randomly placed within it. I also want to keep that 'base' word's characters in their original order. For example, with the 'base' word of test and the specified character of 'y', i want the regular expression to match all the following, and ONLY the following: ytest, tyest, teyst, tesyt, testy Incase it matters, im working in javascript and using the dojo toolkit. Thanks!

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• HTML Encoding Server side vs Client side

  - by shivesh

  I want to enable comment posting on my page, so i need to execute some html encoding before post is sent and inserted into a database. What is the ideal side for this? Sever side(I work with asp.net) or client side (javascript)?

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