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• How can I create an editable combo box in HTML/Javascript?

  - by Christian Davén

  I need to let users select an item from a dropdown list, but also allow them to instead enter any text, even if it doesn't match an item in the list. How can I achieve this on a web page with HTML and Javascript? The select field doesn't let users enter text, and the input text field doesn't show the preferred alternatives. All items must show if the user opens the dropdown, so it can't be a simple auto-complete that only shows matching items.

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• Is there a way to check if a variable is a Date in JavaScript?

  - by Kyle

  I was wondering if there is any way to check if an object is specifically a Date in JavaScript. isType returns object for Date, which isn't enough for this scenario. Any ideas? Thanks!

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• How to give sentence case to sentences through CSS or javascript?

  - by jitendra

  How to give sentence case to sentences through CSS or javascript? I've tried these CSS properties but these are different capitalize Transforms the first character of each word to uppercase uppercase Transforms all characters to uppercase lowercase Transforms all characters to lowercase Edit: 19 FEB 2010 is there any option in jquery to achieve this?

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• Is there a javascript function that can pad a string to get to a determined length?

  - by Anthony Potts

  I am in need of a javascript function which can take a value and pad it to a given length (I need spaces, but anything would do). I found this: http://jsfromhell.com/string/pad But I have no idea what the heck it is doing and it doesn't seem to work for me.

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• Switch statements: do you need the last break? (Javascript mainly)

  - by Jon Raasch

  When using a switch() statement, you add break; in between separate case: declarations. But what about the last one? Normally I just leave it off, but I'm wondering if this has some performance implication I'm not thinking about? I've been wondering about this for a while and don't see it asked elsewhere on Stack-O, but sorry if I missed it. I'm mainly asking this question regarding Javascript, although I'm guessing the answer will apply to all switch() statements.

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• How can I prevent a double submit with jQuery or Javascript?

  - by kielie

  Hi guys, I keep getting duplicate entries in my database because of impatient users clicking the submit button multiple times. I googled and googled and found a few scripts, but none of them seem to be sufficient. How can I prevent these duplicate entries from occurring using javascript or preferably jQuery? Thanx in advance!

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• Some encoded Javascript that I need in plain text. Halp!

  - by Alex

  Hey, I'm having some issues trying to decode some javascript.. I have no idea what kind of encoding this is.. i tried base 64 decoders etc. If you can please help me out with this, here's a fragment of the code: \x69\x6E\x6E\x65\x72\x48\x54\x4D\x4C","\x61\x70\x70\x34\x39\x34\x39\x3 Any ways I can get plain text from that? Thanks!

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• I'm building a javascript app, I need a lightweight php script to interact with a database and javas

  - by RobertWHurst

  My app is a very complex game that uses json objects to store its execution state (aka save games). I'm looking for a nice database script that can talk json and interact with javascript via ajax.

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• Does .net/C# have an equvilent Javascript Object Proxy/Serialization like DWR in Java?

  - by leeand00

  I have some old code in Javascript that interfaces to Java DWR. I'm looking to port the back-end to .NET/C# possibly, and I was just wondering if there was an equivalent AJAX framework that would work in the same manner as the DWR framework in Java.

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• How can I catch all ajax requests in javascript ?

  - by Annan

  Is it possible to have a global event handler for ajax requests that automatically gets called when any ajax request returns ? I'm interested in this because I'm making a greasemonkey script for an ajax site. In previous scripts I either ran the main function every few seconds or overwrote parts of the site's javascript, both things that are messy.

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• How can a Javascript object refer to values in itself?

  - by Erin Drummond

  Hi, Lets say I have the following javascript: var obj = { key1 : "it ", key2 : key1 + " works!" }; alert(obj.key2); This errors with "key1 is not defined". I have tried this.key1 this[key1] obj.key1 obj[key1] this["key1"] obj["key1"] and they never seem to be defined. How can I get key2 to refer to key1's value?

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• Is it possible to create ASP.NET pages without the autogenerate javascript?

  - by Andy Evans

  As a test, I wanted to have an ASP.NET page rendered without the auto-generated javascript. Is this possible?

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• Can I use javascript regular expression in php as it is.

  - by Shantanu Gupta

  I am using a regular expression in javascript and want to do server side validation as well with the same regular expression. Do i need to modify it to make it compatible or will it run as it is. How to use PHP regular expresion. Please provide a small example. Thanks in Advance

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• Calender Class in Javascript - unable to keep the reference.

  - by basit74

  Hello, I wrote a datepicker in Javascript, but it is not working properly, as I lose the reference to the Calender object. here is the example http://asexpress.de/calender/ by clicking within the input field the calender will be displayed. What should I do that the reference to the Calender object remains in contact.

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• How can I add a simple counter function in javascript jquery?

  - by Adam

  I'm using Shadowbox a jquery overlay and I wanted to count how many people are actually using the overlay. Thus, I would need a function that would write a counter to a file or sending a query through a php api... has to be a a php url api because I cant use php on the server where the overlay is. So I need help with executing a javascript function on the overlay click, tips on how to make a counter query through GET method. Thanks

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• Does jQuery or JavaScript have the concept of classes and objects?

  - by Prashant

  I found the following code somewhere, but I am not understanding the code properly. ArticleVote.submitVote('no');return false; Is ArticleVote a class and submitVote() a function of that class? Or what does the above code mean? And is there any concept of classes and objects in jQuery or in traditional JavaScript? How to create them? Please share some reference links or code.

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• Update a field from server without reloading the existing page using simple javascript.

  - by Rahul2047

  I want to change a value of a field say document.getElementById('reloader').innerHTML = updated value from Server I do not want to use Ajax, PHP, ASP, JSP .. or anything like these. Is it possible by using simple javascript? Server is C# 's application made by using HttpListener. Please question if needed more info.

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• How can ZK Javascript can be followed to find actual file?

  - by Osman DERTLI

  Hello, I want to follow ZK javascript code to obtain XML results. In the website when a country selected, another selectbox for states is populated by using ZK and i tried to find the actual address such as http://cc.com/getState?countryID=46 but I've lost within the ZK. Is there a way to reach the actual URL? Thanks.

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• How can I make a JavaScript alert before a page closes?

  - by Nuha

  I want to write JavaScript code that would, when I close the current HTML page, display an alert message like "Are you sure?" I want to take the value of the button from the alert message, whatever the user pressed. How can I do this?

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• How do I distinguish between Windows 2008 and Windows Vista using javascript?

  - by David Reis

  I need to detect the SO of the user in a web application (IE only). I am using the function BrowserDetect.OS from javascript, but it returns the same String ("Windows Vista") when called from Windows 2008 and Windows Vista, and I cannot distinguish the user SO. Is there a way to detect this difference? http://msdn.microsoft.com/en-us/library/ms537503%28VS.85%29.aspx

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• How to include javascript generated text into html link?

  - by Finne

  I have a javascript that displays a generated text into a div: document.getElementById('phrase').innerHTML = phrase; PHRASE_TEXT_GETS_SHOWN_HERE Basically I'm trying to set up a link that will take the text and post it to twitter with a link: Clicky for tweety How can I include the generated text in the link?

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• Can I get an arithmetic expression as a string computed with the Javascript Math object?

  - by chimerical

  If I have an arithmetic expression as a string ("2+3*4/5"), is there a way to get this computed with the Javascript Math object without parsing that entire string to separate everything out?

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• best way to ajax load-in external javascript files with jquery?

  - by Haroldo

  I have a one page web application, which means alot of javascript. External scripts like facebook connect etc most visitors wont use, so i'd like to know the BEST method of loading js files on an event (click, hover, timer etc). Idealy with jquery.

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• how many javascript setTimeout/ setInterval call can be set simultaneously in one page?

  - by rabbit

  I have to use atleast 2 setTimeouts and 1 setInterval. Does this have any dependency on the browser or javascript engine being used?

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• Does Facebook Connect have a javascript API that doesn't open a new window?

  - by alex

  I want it to have a popup dialog javascript box. Instead of a new window. I've seen it before. How can I get it? Thanks.

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