Call A Method In The Parent Object

Apr 9, 2009

I have a question about OOP Javascript...

How can you call a parent method from a child object?

for example...

Am i using the right way of making an object? prototypal vs classical?

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I have defined a method in an iframe named as refresh1().In the iframe we are showing records in a table.on clicking a record of table or you can say row a showmodal Dialog object will open which shows the info of clicked record.I want to call refresh1() method onclick of save button whic is defined in modal dialog.I have triedparent.window.dialogArguments.refresh1() but it is not workin.

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I am creating a job ticket object that will interact with a database. It has to update the database on the fly via AJAX. Within the job ticket object, I have instances of a Component Object. Within the Component Object, I have an instance of an Editor Object. One of the methods of the Editor object is a function to edit some text and when it's submitted, it will update the database. All of that is working fine. My problem is that I need to refresh the screen with the new contents of the database. I have a method in the Component Object that refreshes the screen, but how do I call it from within the Editor Object? I believe it has to be called there because the editor object has a handler for the form submission and the AJAX function. So I'll have to reference a callback function once the AJAX request is handled, but I don't know how to call it.

I know that sounds kind of convoluted, so hopefully, this very simplified code will paint a better picture of what I'm trying to do:

Code:

Now I want to call refreshScreen, but I don't know how:

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May 12, 2010

I am creating an application that uses as much Object Oriented code as I could (mostly to learn it).

I have an object called 'photo' that contains two Image() objects 'fullImage' and 'thumbnail'. All is fine and dandy, I can read the thumbnail and the full image, and their associated properties just fine.

But what I can't seem to do is make the thumbnail's onclick event refer to one of the object's methods.

Here is a greatly simplified version of the object's code.

Code:

So, the thumbnails div gets populated with the thumbnails fine. But for the life of me, I cannot figure out how to make the onclick call the photo object's "editPhoto" method.

Will the way that I am creating the objects using the same name for each one, result in only the last one created being accessible. If so, do I need to create an array of objects so I can uniquely identify each one?

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I found very difficult to call a method outside his scope.For example I have 2 files js

myFunction.js
init.js (where I initialize all my page)
[init.js ][code]....

I tried many syntax in order to call the method outside its scope

$.getX();
$(function(){getX()});
$().function().getX();
$("myHtmlObj").click(function(){getX()});

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13 line causes this exception. Function is called insied of ready() handler. function renderGridSystemRecursively(scheme, container){

[Code]...

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My code is as follows;

Code:

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Oct 9, 2010

I have the following code:

A = {
"value": "a",
};
B = A ;
B.value = "b";
alert (A.value); // => b

I expected A.value to be "a". how can I change values of a new object, without changing the parent-object?

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I have checked to make sure all other javascript files are loading and they are and I can't figure out whats wrong. You can see it [URL]

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Aug 12, 2009

I have a Class name Merkzettel.

[Code]...

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I have been wondering if there is a way to make the following javascript functions work in IE8 and Chrome:

var funct = function()
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alert(ppt.x);
}

This thing works only in Firefox. Is there a way to enable global Java packages in IE 8 and Chrome?

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Feb 20, 2010

I'm trying to use the ajax load() method to load a file from a parent directory, e.g.

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I'm doing my testing on my PC and I'm not running a server (apache or otherwise). Just using it as a simple client. Is that possibly the problem? Or is there something else I'm missing? If that is the problem, is there a workaround?

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I am trying to call a java method from within my Javascript, but cannot
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<script>
function searchStrings(){
Searcher.search();
}
</script>
<form>
<input type="button" value="Search" onclick=searchStrings()>
</form>

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<div id="foo">
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I am suppose to be called first and then I am suppose to be called next

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What I need: User clicks on a link and JS does its magic and than I have to post (AJAX) changes to server (custom control). How do I achieve this with UpdatePanel (I cant jQuery ajax call) - how can I call a method on server with some arguments from JS?

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Jan 24, 2011

I have been trying to figure this out all day/night. And I have exhausted all my ideas....

so heres whats happening:

Ajax.js:
varrequest = new XMLHttpRequest();
var response;
var currentHeadLineItem = 0; iterator for which <li> node we
select from our xml document response
var lengthOfHeadLineList = 0; Review the offsett for this!!!!

[Code]...

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PHP Code:

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Nov 23, 2010

I am calling an AJAX function from a certain method, but for any reason it does not return the result.

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Mar 30, 2011

I have the following code in one of my pages. My problem is caused, because the method "processEvent" is never called, but I have no idea why. I guess it is broken, because I don't relay the "this" object correctly.

<script type="text/javascript">
var MyClass = function()
{
this.init = function()

[Code].....

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Sep 24, 2009

I'm using jquery-1.3.2.min.js and everything works perfectly in browsers other than Explorer... It's not liking this part:

this.appendChild(E)
function(){return this.domManip(arguments,true,function(E){if(this.nodeType==1){this.appendChild(E)}})} ... }
I get this error:Unexpected call to method or property access. jquery-1.3.2.min.js, line 12 character 2305

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