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• Check if Internet Connection Exists with Javascript?

  - by viatropos

  How do you check if there is an internet connection using Javascript? That way I could have some conditionals saying "use the google cached version of JQuery during production, use either that or a local version during development, depending on the internet connection".

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• How do I print an IFrame from javascript in Safari/Chrome

  - by Andrew Bullock

  Hi, Can someone please help me out with printing the contents of an IFrame via a javascript call in Safari/Chrome. This works in firefox: $('#' + id)[0].focus(); $('#' + id)[0].contentWindow.print(); this works in IE: window.frames[id].focus(); window.frames[id].print(); But I can't get anything to work in Safari/Chrome. Thanks Andrew

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• Javascript crazy idea finding a node

  - by Louis

  I had a crazy (but so crazy that it just might work) idea where every element on a page is created in javascript but given an ID which is a hash of its path in the DOM. So instead of searching through the DOM to find an element, you hash the path and then getElementById() with that hash. Problem with this is getting the path might be more expensive than searching the DOM in the first place. Any ideas how this could be done or if it is just plain stupid?

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• french chars html - javascript

  - by Jordy

  I have an html page were i can fill in some text and send (with javascript) this to an sql-database. On my pc, everything works fine, but on another one (a french windows), it doesn't save my chars correctly. french chars like é, è, â,.. were saved as 'É', or something like that. I googled a lot but still did not found any solution, i'm also not able to reproduce the problem on my own pc..

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• Loop through array in JavaScript

  - by Mark Szymanski

  In Java you can use a for() loop to go through objects in an array like so: String[] myStringArray = {"Hello","World"}; for(String s : myStringArray) { //Do something } can you do the same in JavaScript?

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• Javascript to match a specific number using regular expressions

  - by ren33

  I was using javascript to detect for specific key strokes and while writing the method I thought I'd try regular expressions and the test() method and came up with: if (/8|9|37|38|46|47|48|49|50|51|52|53|54|55|56|57|96|97|98|99|100|101|102|103|104|105|110/.test(num)) { // do something if there's a match } This doesn't seem to work 100% as some values seem to make it past the regex test, such as 83. I've since moved on, but I'm still curious as to why this didn't work.

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• Add a marker to an image in javascript?

  - by Richard

  Hi, Anyone know how I can add a marker to an image (not a map) in Javascript? Ideally I'd like a handler that behaves much like adding a marker to a map - i.e. onclick causes a marker to be displayed at the point that was clicked, and returns the x/y pixel coordinates of the point that was clicked. Is this possible? Cheers Richard

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• Books about Javascript API design best practices

  - by Guilherme Defreitas

  Hi, Anyone can suggest good books about Javascript API design good practices? What are the common practices developed by Google, Twitter, Facebook in their APIs. Code organization, request control etc.

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• Cut and Paste Code Reuse - JavaScript and C#

  - by tyndall

  What is the best tool(s) for tracking down "cut and paste reuse" of code in JavaScript and C#? I've inherited a really big project and the amount of code that is repeated throughout the app is 'epic'. I need some help getting handle on all the stuff that can be refactored to base classes, reusable js libs, etc... If it can plug into Visual Studio 2010, that would be an added bonus.

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• translating Ecmascript (Java,javascript,Actionscript) knowledge to Objective C

  - by eco_bach

  Hi Newcomer to Objective C and trying to translate concepts and sytax I know from ecmascript based languages to Objective C. Is it proper to think of the .h header file in ObjectiveC as an Interface in Actionscript? Lets take the following code example in Objective C which calls a method containing 2 arguments [myTextObject setString: @"Hello World" color: kWhiteColor]; In Actionscript(or javascript) would this be the same as calling 2 accessor methods on 'myTextObject'? ie myTextObject.setString("Hello World") myTextObject.color(kWhiteColor);

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• get file size using javascript mootools is preferable

  - by Avinash

  Hi I want to get the file size using javascript. I prefer the use of mootools 1.2. Thanks Avinash

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• JavaScript window resize

  - by Happy

  I have piece of javascript code, which should process when the browser window is resized. var resize=$('div.resize',$(this).parent())[0]; resize.style.marginRight=(resize.offsetWidth-$(this)[0].offsetWidth)+'px' Tryed this stuff (doesn't work): var resize=$('div.resize',$(this).parent())[0]; window.onresize = function(event) { resize.style.marginRight=(resize.offsetWidth-$(this)[0].offsetWidth)+'px' } Thanks.

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• Defining byte arrray in javascript.

  - by kumar

  Hi How do i pass a byte array from javascript to ActiveX control. My javascritp will call WCF servie ( mehtod) and that method will return a byte array. after that i need to passs this byte array to the active x control. could any body provide me a solution for this.

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• Javascript window resize doesn't work in Safari but does in Firefox

  - by Mark Szymanski

  I have this basic javascript code: window.resizeTo(1000,800) set to run when the page loads and it works perfectly in Firefox but not in Safari. Thanks in advance!

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• JavaScript Variable Scope

  - by lYriCAlsSH

  What is the scope of variables in javascript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the variables stored if they are defined globally?

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• help in c# and javascript

  - by scatman

  I am extending the textBox control, and i want to add on its OnLoad(EventArgs e) (by iverriding it) a javascript function. how can i do this?

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• pass facebook connect session from php to javascript

  - by Jake

  I'm authenticating via PHP: // the php facebook api downloaded at step 3 require_once("facebook-client/facebook.php"); // start facebook api with the codes defined in step 1. $fb=new Facebook( 'XXXXXXXXXXXXXXXXXXXX' , 'a3eaa49141ed38e230240e1b6368254a' ); $fb_user=$fb->get_loggedin_user(); var_dump($fb_user); And the session is created in PHP. I want to use hte facebook javascript client library from here on out. How do I do this?

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• Equivalent Javascript Functions for Python's urllib.quote() and urllib.unquote()

  - by Cameron

  Hello, Are there any equivalent Javascript functions for Python's urllib.quote() and urllib.unquote()? The closest I've come across are escape(), encodeURI(), and encodeURIComponent() (and their corresponding un-encoding functions), but they don't encode/decode the same set of special characters as far as I can tell. Thanks, Cameron

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• Trigger flash button object via javascript

  - by Beck

  Is it possible to trigger for example flash uploading button via javascript? For example I have made empty image wrappers and by clicking on them, they trigger flash button to open as select window. Thanks!

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• open new window javascript

  - by Midhat

  I have a window.open call in a page, whose window itself is opened by a window.open call. So there are 2 windows already on the screen Now On the next window.open call: IE7 opens a new window Firefox opens a new tab in the topmost parent window Chrome opens a new tab in current window Is it possible to make this behaviour same in all three browsers. (preferably like #3) Edit : my call is rly simple javascript:window.open("Attachment.aspx?docid=42")

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• Detecting an undefined object property in JavaScript

  - by Matt Sheppard

  What's the best way of checking if an object property in JavaScript is undefined? Sorry, I initially said variable rather than object property. I believe the same == undefined approach doesn't work there.

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• which javascript framework is better for Cakephp

  - by Praveen kalal

  hi to all i am using cakephp framework for my project. but i am in confusion that which javascript framework i use for the project. so please suggest me for this through which i get enough help from net. thanks in advance

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• How to check what JVM version installed using javascript

  - by prakash

  Hi All, how can i check which JVM version is installed using javascript in my MVC asp.net application ? Basically i have to redirect user to error page if user don't have recommented JVM in his machine. Please suggest

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• How to check what JVM version installed using javascript

  - by prakash

  Hi All, how can i check which JVM version is installed using javascript in my MVC asp.net application ? Basically i have to redirect user to error page if user don't have recommented JVM in his machine. Please suggest

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• Javascript DOM howto?

  - by Tom Dalenberg

  Hi, I am a javascript noob. I would like to select the second 'p' element of the div.box. How do I do this? Thanks a lot! Tom

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