javascript - Page 101 - Developer IT

Get number of checkboxes that are checked in Javascript

- by DCD

I am trying to make a javascript function (although jquery is perfectly OK) that will return a number that corresponds to the number of checkboxes checked in a form. Seems simple enough but I can't figure out a good way of doing it. Thanks.

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javascript date increment

- by Muahmmad nadeem

I want to set a text box with a date (in dd/mm/yyyy format) 14 days ahead to current date in javascript . can any one help me regarding this ?

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JavaScript function to validate an integer value

- by Psyche

Hello, I'm building a shopping cart and I would like to use a JavaScript function to validate user input when entering the quantity value in the quantity text input. I would like to allow the entering of integer values only (no floats, no other characters). I know that I can apply this function using onKeyUp event and also I found isNaN()…

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Removing Numbers from a String using Javascript

- by Abs

Hello all, How do I remove numbers from a string using Javascript? I am not very good with regex at all but I think I can use with replace to achieve the above? It would actually be great if there was something JQuery offered already to do this? //Something Like this?? var string = 'All23'; string.replace('REGEX', ''); I appreciate…

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Does JavaScript have block scope?

- by piemesons

<html> <body> <script type="text/javascript"> var x = 13; { var x = 22; } alert(x); </script> </body> </html> The output is 22. Why?

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Is there a difference between placing JavaScript calls in $(document).ready(function(){ and placing

- by Walker

Is there a difference, performance or efficiency wise, between placing javascript calls such as blur, onclick etc. in $(document).ready(function(){ as opposed to placing them in DOM? Thanks!

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ASP.Net : Need to run javascript on update panel load completed

- by user279244

Hi, I need to run a javascript function when the update panel is loaded completely(I want to scroll), and not on initial page load. Please suggest. Thanks

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javascript resize background image

- by George

Is it possible to resize a background image on load using javascript? I don't care about dynamically resizing the image according to window size or anything, I just want to take large images and resize them to a specific width and height so that the full image fits inside a specific layout.

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How to create a file using javascript in Mozilla Firefox

- by minu

Hi, I want to write a function in javascript which creates a file and write some content to it, iam working with firefox, can anybody help me in this case. Thanks...

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Javascript Debuuger plugin for eclipse

- by vineth

hi , I am new for java and iam doing the project with extjs & JAVA ,i using eclipse version (Eclipse Java EE IDE for Web Developers. Build id: 20100218-1602) . Can any one suggest any javascript debugging plugin for this id or pls provide link.. Thanks in advance

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Are there any (somewhat) advanced mathematics Javascript libraries?

- by pr1001

Are there any libraries knocking around that provide any additional general purpose math functions for Javascript? Say things like sums over a range, derivatives, integrals, etc. I can imagine that many things aren't possible, so even libraries that do rough approximations would be interesting. Thanks!

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Javascript variables

- by Uli

I'm learning Javascript right now. Can anybody tell me why the second code block traces a empty path for -launch(this)- but using the first code block it gives me the right path? "<form action='"+launchwebsite+"/subsite/' method='post' target='_blank' onsubmit='launch(this)'>" and this not: "<a onclick='launch(this)'…

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Iframe loaded in javascript

- by zachary

I dynamically am changing the location and src of an iframe. Is there an event that will tell me when the page i just put has loaded from javascript? Basically I want to append something to the page but first need to know that everything is loaded.

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VB6: assign javascript function to a dom element

- by Fuxi

hi, i'm using the mshtml library for parsing out html via MSHTML.HTMLDocument. my question: is there a way to assign a javascript function to a dom element? i've tried something like: div.onmouseover = "function(){alert('mouseover')}" and div.setattribute "onmouseover" , "function(){alert('mouseover')}" without success…

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I'm looking for a introduction to php(5 or 6)/mysql/javascript web development book

- by prgrmnGuru

Basically I want the books to be text book based, ie, author discusses the background,philosophy,syntax,semtantix for every language AND after every section there are questions what you learned so far and mini projects. Is there any books like this, I'm absolutely new to php/mysql/javascript and web development in general. …

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input box gets cleared on refresh page : javascript

- by p p

Hi, I have a javascript function that writes the value of input box to a cookie, then it tells the page to refresh. The page must be refreshed to the server side can reconstruct the page based on the values of the cookies. Output the correct data on the page. However I do not want the user to lose the value they type on…

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Convert a Javascript Date format to desired PHP format

- by Ajith

How can we convert Wed Jun 09 2010 which is returns from a javascript function and get in a php script.I need to convert this date format to 2010-06-09.Thanks

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HTML - Javascript: I cannot click on the links on top in IE7

- by Patrick

hi, I cannot click on the links (tags) on top of the page in IE7. I tried to change z-index of the elements but it doesn't work. Could you tell me what's wrong with it ? http://www.sanstitre.ch/drupal/portfolio?tid[0]=38 The mouse click is handled by jQuery function .click() I'm sure javascript works because" Hide -…

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Code Highlight with javascript ?

- by BrunoLM

Is there any API or a jQuery plugin that allow me to highlight a code on my website? For example <pre code="c#"> var x = new StringBuilder(); var complex = new Complex(); </pre> <script type="text/javascript"> $("pre[code]").codehighlight({ language: "c#" }); </script> Something…

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javascript to print contents of only specific <div>

- by user344774

I have tried javascript window.print() It prints the full page content including the print button on the page. thanks in advance for any solution and help

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javascript / html - visit duration on page

- by user360322

Is there a way to use javascript to determine how long someone was looking at my webpage before they closed their browser or hit the back button? Something like send a message to php page every few seconds or so in the background?

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What does "with" do in JavaScript?

- by streetparade

I saw JavaScript code which begins with with. That's a bit confusing. What does it do and how can it be used correctly? with (sObj) return options[selectedIndex].value;

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how to add javascript to html page

- by user1888584

I was given this chunk of code to place in my html page but I know nothing about javascript so I have no idea where to place it and what kind of tag to place it in. Can someone please help me. Thanks Code: $('input[type=radio]').change(function() { $('input[type=radio]').each(function(index) { …

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Checking for attachments in JavaScript

- by Sanjay

Prior to submitting a form, I would like to check if a file has been attached and pop up a warning message saying that a file needs to be attached if it hasn't been. I was wondering how to accomplish this using JavaScript or Prototype or JQuery etc?

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Javascript review/refactoring tools

- by SachinJadhav

Hi, What are the available javascript review/refactoring tools? Thanks in advance. Thanks and Regards, SachinJadhav.

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