Public Static Method Accessing Private Method
Aug 3, 2006
I'm trying to do something, but I don't know if it's possible.
Basically, I want to have a public static class method that could
access a private object's method. I would like to be able to do :
Class.method(InstanceOfClass);
The method would then access a private function from Class by doing
something like
function method(param) {
param.privateMethodOfClass();
}
I've done a lot research and experimentations but just can't come up
with a solution... I don't even know if what I'm trying to do is
possible.
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Oct 8, 2007
I am using the module pattern and private/public methods. I'm having a problem where the private method is using setTimeout() to call itself recursively, but I can't get the syntax right. Code:
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Apr 23, 2009
I've got a plugin which is structured as follows:
(function($) {
$.fn.MyFunction = function(o) {
// Here we have some parameters
return this.each(function() {
[Code].....
So what I'm looking for is how to reference MyExternalFunction from my html script. I've tried simply using MyExternalFunction(index) but I get function undefined.
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Dec 31, 2011
This question applies to javascript generally as opposed to jQuery specifically. I want to be able to structure my scripts into classes, then create them using the "new" keyword, but here is the important bit: How do I make a js function private (or public for that matter)?
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Aug 9, 2011
I'm getting strange error "Object doesn't support this property or method" while accessing the application recently. The same code I am using since long time.
The below code is written in java class:
The error is appearing on the line:
How to resolve this error?
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Jan 31, 2011
Why is the callwhy is the slice method only a method of an Array instance? The reason why I ask is because if you want to use it for the arguments property of function object, or a string, or an object, or a number instance, you are forced to use Array .prototype slice.call(). And by doing that, you can pass in any type of object instance (Array, Number, String, Object) into it. So why not just default it as a method of all object instances built into the language?In other words, instead of doing this:
function Core(){
var obj = {a : 'a', b : 'b'};
var num = 1;[code]....
//right now none of the above would work but it's more convenient than using the call alternative.
}
Core('dom','event','ajax');
Why did the designers of the javascript scripting language make this decision?
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Aug 16, 2011
I have two methods and I would like to call somename1 method from within somename2 method. I have tried several ways to do so however I keep getting "TypeError" or "RefernceError" I have tried several ways to reference but I am still unable. What am I doing wrong. I would think this would be easy to do.
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Mar 2, 2011
I'm trying to create an extensible class with private members.
Suppose I have the following:
Code:
Obviously, only "y" should be available to instantiations:
Code:
But how can I now extend this class and still access the private properties inside the extension?
Code:
How do I access x there? The someOtherFunction extension is part of the prototype, so it should be in the same scope as someFunction, no?
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Mar 28, 2010
I'm using jquery to make it easy for AJAX calls.
So I create a class: function cMap(mapID){//vars and stuff}
I go and prototype a function: cMap.prototype.loadMap = function(){ //jquery AJAX call }
Now in the jquery $.ajax({...}); call, I use an anonymous function on the "success:" call: success: function(data){ this.member = data; }
My problem is that inside this anonymous function call I'm trying to call a class member of my cMap class to store the data in from the AJAX call, but it's out of scope. So the JS console in FF/Chrome throws errors about bad value/doesn't exist.
How can I access this class member from inside an anonymous function? Or at least what's a good way to go about doing all this?
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Feb 24, 2010
Is the form below a valid method of changing the id of an XHTML element, specifically the one actually being referenced? It does not seem to work for me.
document.getElementById("Original_Name").setAttribute("id", "New_name");
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Nov 2, 2009
I need a java bookmarklet that does a real simple thing. I need to take the current URL (ie, where the user is when they click the bookmarklet) and append it to a static URL and return the text on the resulting page.For example:
The user is at http:[url]....
The user clicks the bookmarklet.
the bookmarklet takes http:[url].... and appends it to http:[url]... HERE where you see the URL HERE text.That PHP script echos a simple line of text (a shortened URL actually).Then I want that result from the outside_create.php file to be displayed in a window back to the user.Is this even possible? Basically I need to know how to append location.href to a static URL and how to get the resulting content from the static URL..
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Jul 23, 2005
Here's my situation. I have an object:
function Obj () {
this.foo = null;
}
a function
function bar() {...}
another function
function doSomething () {
var obj = new Obj();
obj.foo = bar;
doSomethingElse(obj);
}
In function doSomethingElse I want to create the following line of DHTML
<div return true;">
What I want is for onClick to be defined to be the execution of the foo
method of obj.
I tried document.writeln ("<div + obj.foo + "(); return
true;'>");
What I get is the source code for bar stuck into the middle of the string.
So how do I get just the name of the function bar in the string? Or
ultimately, how do I get the handler to be bar in the DHTML?
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May 24, 2006
While submiting the form elements, if the GET method is used in the
<form>tag, the data is submitted as a query string.I think there should
be restriction in size of data submitted by the browser IE.
Does any body know the exact details of it?
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Jul 23, 2005
How to send a request using post method from browser to web server using javascript?
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Jul 23, 2005
Is it possible to use the .click() method in any browser beside IE?
(which would be Opera and Mozilla? or in some way that make that kind of
effect?)
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Jul 23, 2005
I only use forms as input and output to javascripts. Many times I use
innerhtml to write to a <div> for output. I don't know of an
alternative for input.
I sometimes have problems if I use method="post" and just leave it off.
The browser tried to reload the page after the script ran. Sometimes I
am able to even leave off <form> and </form>. Could someone explain
when form and method are actually needed?
I responded in comp.lang.javascript to "Adding to fields with
onchange". I had to leave "method=" out to get it to work without
trying to reload the page.
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Jul 23, 2005
can we overload a javascript function with different argument?
example:
function a(a){}
function a(a,b){}
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Jul 23, 2005
var gE = function(s){return document.getElementById(s);};
var foo = gE("foo");
work, while
var gE = document.getElementById;
var foo = gE("foo");
does not?
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Aug 13, 2005
Is there any way to call the new operator as a method (function)? The
reason is that I've got IE as a COM object (Imagine I've brought up IE
using VB) and it's easy to call every method of any DOM element
(including window). But if I want to create a new object, then it's
more complicated. Of course I could always execute js code (using
window.execScript) which will create the object and save it as a
variable on the window object and then pick it up from the COM creator,
but really...
Consider the following page snippet which nicely adds an option to the
empty select element. Of course, I could use the W3C createElement,
addChild, muckWithDOM approach to avoid the execScript, but both of
these are going to add huge amounts of time and substantial complexity
to an otherwise one liner:
<form method=pos action=''>
<select name=sel id=sel></select>
<script type='text/javascript'>
var sel=document.getElementById('sel');
sel.options[0] = new window.Option("foo", "bar");
</script>
</form>
Can't I do something like
window.Option.newInstance("foo", "bar")
in place of the
new window.Option("foo", "bar") ?
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Oct 6, 2005
I am pretty rusty with javascript and I am trying to make a webpage
that will basically act as a wrapper from one webpage to another. What
I mean by this is that I will hit this page like:
webpage.htm?Param1=... and I will take the passed params and post them
to another page. I have the post part working, but I was just
wondering how I can use just Javascript and read those values passed to
this webpage. Is this even possible?
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Dec 15, 2005
I am experiencing some rendering problems when dynamically changing CSS (width) with both Internet Explorer and Firefox. In some cases it is just in IE and in other cases just Firefox. When resizing the browser (1px is enough) everything is positioned correctly again. Is there some repaint method that I can call?
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Jul 12, 2006
What is difference between two encoding methods below and what method
can be considered more "web safe", fully retaining functionality of the
original source code, without the danger of misinterpretation of
original code characters (code contains long Registry entries, activeX,etc)...
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Jan 19, 2007
The last time I tried to ask this question...Google Groups screwed up
my message and there was no subject (sorry for that - I know it's
annoying).
I'm trying to learn how to develop a plug-in that allows users to
display data from one site in a third party site, like Google Adwords
or the Digg counter for news stories. I took a look at Digg.com and
found the following:
It looks like digg is doing the following to show the number of "diggs"
for a story on your website. On my page I would have the following:
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Jul 20, 2005
I need some help adding a redirected page to the favorites. Thanks to
the help from this user group, I was able to finish a redirect script.
I was wondering if anybody knew of a method that will allow one to do
a check in the user's browser's (IE) favorites to see if a bookmark is
already present. This is what I am trying to accomplish:
if (window.external.checkFavorite(location.href, document.title))
do nothing
else {
alert("Please update your bookmark.");
window.external.addFavorite(location.href, document.title))
alert("Thank you for update your bookmark. We hope you will enjoy the
new site!");
}
And this gets called in the redirect script.
The idea is that if a user is trying to access an old page from a
bookmark, not only am I redirecting them but also giving them the
opportunity or prompting them to update thier bookmarks. But this
process should happen only once. That is, when the user revisits that
bookmark, the bookmark is of course the updated new url so he wouldn't
be seeing that again.
Also, where can I get access to the Javascript API...something like
javadocs for the methods, etc.
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Jul 20, 2005
i want set focus element with element.focus()
but i have always this exception: "focus() is not a function"
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May 18, 2011
I'm a newbie of JS and don't know if I have got the right terms in my question. I want to lowercase all the arrays:
<script>
var txt = [
["Cats","Dogs","Rabbits"],
["Fish","Bones","Carrots"]
]
document.write(txt[0][1] + " love eating " + txt[1][1]);
[Code]...
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