comp.lang.javascript Google Group

FAQ Topic - How do I force a reload from the server/prevent caching? (2008-08-29)

javascr...@dotinternet.be (FAQ server) — Thu, 28 Aug 2008 23:00:02 UT

------------------------------ ------------------------------ -----------
FAQ Topic - How do I force a reload from the server/prevent
caching?
------------------------------ ------------------------------ -----------
To reload a page, use location.reload(). However, this depends
upon the cache headers that your server sends. To change this,

How are arguments a legit argument to Array.slice?

lorl...@gmail.com (lorlarz) — Thu, 28 Aug 2008 20:36:12 UT

In the code sample below, how are arguments a legitimate
argument to Array.slice?
Function.prototype.bind = function(){
var fn = this, args = Array.prototype.slice.call(arg uments), object =
args.shift();
return function(){
return fn.apply(object,
args.concat(Array.prototype.sl ice.call(arguments)));

Modify String.prototype?

martinrineh...@gmail.com — Thu, 28 Aug 2008 15:23:09 UT

The FAQ shows a mod to String.prototype adding trim, trimRight and
trimLeft.
Flanagan states, "There is a strong argument against extending built-
in types with your own methods; if you do so, you are essentially
creating your own version of the JavaScript API." And he goes on to
say that this will confuse other programmers who may need to maintain/

Prioritize form field

p...@hverdag.dk (Frowning Freezer) — Thu, 28 Aug 2008 14:41:35 UT

How can the function below be rewritten to prioritize form fields instead of
other objects with the same name?
For example I want getele("title") to retrieve the form field named "title"
instead of document.title - how do I get it to do that?
function getele(n, d){
//argument 'n' is the name of the object you want to get

Issue in FF: document.write a DIV (block level element) inside a LABEL tag

syko...@gmail.com (SuneR) — Thu, 28 Aug 2008 11:09:41 UT

Hi,
I am having problems figuring out how to make Firefox behave, and
output the HTML I want it to output.
The thing I want done is actually quite simple. I have a <label> tag,
and inside it, I have a script tag, that document.write's some HTML.
Like this:
<label>
<script type="text/javascript">
document.write("<div>Test<\/di v>");

read charset of meta tag

marcinzmyslow...@poczta.onet.pl (MZ) — Thu, 28 Aug 2008 10:12:13 UT

Hello!
I cannot find anything about this thing.
I need to read what kind of charset is being set on the
<META http-equiv="Content-Type" CONTENT="text/html; charset=iso-8859-2">
I need to do this in javascript.
How to read charset in javascript? I want javascript function to return in
this case iso-8859-2.

OT: Why is this group comp.lang.javascript shrinking to <25%?

optimistxpoi...@poistahotmail.com (optimistx) — Thu, 28 Aug 2008 09:19:16 UT

Have you often felt quite unhappy here when reading some unfriendly although
formally correct answers especially to newcomers?
If we look at the statistics of this group comp.lang.javascript
[link]
one can see, that around the year 2000 there were often more than 6000 posts

Style File Input

mdmo...@gmail.com (shapper) — Thu, 28 Aug 2008 01:47:44 UT

Hi,
Does anyone knows how to style and input of type file with JQuery?
I want to use an image as the button or maybe a simple normal input
styled with CSS.
I also want to style the input where the path is ... I want it to have
a grey background and no border.
Any idea of how to accomplish this?
Thanks,

How to create a popup window like Google notebook

qwu2...@gmail.com (Qiang) — Thu, 28 Aug 2008 01:10:27 UT

Hi,
Google notebook is a small popup window at the corner of your
browser.
If you type this url in a browser (assume you already logged in
google)
[link]
The main page is blank, the popup window is shown.

FAQ Topic - How do I trim whitespace - trim/trimRight/trimLeft (2008-08-28)

javascr...@dotinternet.be (FAQ server) — Wed, 27 Aug 2008 23:00:02 UT

------------------------------ ------------------------------ -----------
FAQ Topic - How do I trim whitespace -
trim/trimRight/trimLeft
------------------------------ ------------------------------ -----------
Using Regular Expressions (JavaScript 1.2/JScript 3+) :
String.prototype.trimLeft =
function()

Conditional include of JS files -- how?

java...@sbcglobal.net (rocketeer) — Wed, 27 Aug 2008 20:56:42 UT

I've a set of Javascript classes that maintain state. For example,
gm.js might be:
var GroupManager { groups: {} };
Over time I add new groups to the list:
GroupManager.groups[key] = myGroup;
If I include another Javascript file that also includes a reference to
include gm.js, or do this through an Ajax call, this new loading of

How to check if an object has defined setter?

piotr.korzeniew...@gmail.com (Piotr K) — Wed, 27 Aug 2008 19:43:46 UT

Hi!
Ok, so I have small problem and can't find solution to it.. Is there
any way to check if an object has defined setter? In other words - if
it's value can be changed?
Small example:
var el = document.getElementById('eleme nt');
el.style = "smth";
Browser will throw exception, I can use try..catch but is there way to

Printing

(sheldonlg) — Wed, 27 Aug 2008 18:02:52 UT

I have been asked to implement a "Print All" function to an application.
The current screen has a list of invoices. Clicking on any one of
them (via a preview button) opens a new window for that invoice. They
can then, of course, print that document.
What they want is a single button that sends all the invoices to a

is IE6 violating the same-origin policy?

jackcha...@gmail.com (jackchang1@gmail.com) — Wed, 27 Aug 2008 16:43:02 UT

I had a web page hosted in one domain. In IE6 it is able to request
data from another page in a different domain using XMLHttpRequest
object. It fails in IE7/Firefox/Safari. Can you confirm that the
XMLHttpRequest object in IE6 violate the same-origin policy? I am not
sure if it was my error or IE6's fault. Thank you!

webglade

kviet...@googlemail.com — Wed, 27 Aug 2008 16:29:03 UT

Hi all,
I have written a JavaScript library to create XUL GUI from Glade XML
files: [link]
It is currently limited to XUL but it would be great if it worked with
browsers which do not support XUL.
I found yui, extjs, gwt, qooxdoo quite interesting but I am not sure
whether they cover the range of widgets available for Gtk and XUL