JQuery :: When To Use Setter Methods?

Jan 31, 2010

About when to use setter methods. For example, I have this code

Should this be used like this:

I think a better question is when to use the .each loop? Since, the first line of code I have works fine.

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[FireFox] Parent Object For Style In Setter

Mar 9, 2006

this is my code:

CSSStyleDeclaration.prototype.__defineSetter__('di splay',
displaySetter);

function displaySetter(value) {
var parent = findParent(document, this);
if (parent) {
if (parent.tagName == 'TD'
&& value.toLowerCase() == 'inline' ) {
value = 'table-cell'
}
}
this.setProperty('display', value , 'important');
}


function findParent(obj, style) {
var nodes = obj.childNodes;
if (obj.style == style) {
return obj;
}
for(var i = 0; i < nodes.length; i++) {
var suBsearchResult = findParent(nodes[i], style);
if (suBsearchResult) {
return suBsearchResult;
}
}
return false;
}

As you can see each time I need to scan whole document for parent which I would like to avoid. Is there any other way to get an object on which style is applied to?

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JQuery :: First()/last() Methods In The API Docs Website?

Jan 21, 2010

I have been trying to discover why the first() and last() methods are not working in my jQuery 1.2 nor 1.3 tests. After searching for a while, I found the alternative way with filter() and eq(), but I still wonder why none of those methods work.

The API documentation [URL]... states that they are available since 1.2, but they won't work, I always get a "not a function" error. I also found a tracker entry [URL].. discussing the need for them, but nothing is clear from it.

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JQuery :: Add Methods That Contain 'this' To An Existing Object?

May 18, 2011

Let's say I have a Javascript object that looks like this:

{
events: {
"comments:added": this.add,
"comments:removed": this.remove,
"comments:fetched": this.addAll
}
}

I'd like to add this method to it, either manually, using $.extends() or _.extends():

[Code]...

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JQuery :: HTML5 - Two New Methods To JS Selector API

Dec 1, 2010

HTML5 brings two new methods to the js selector API: querySelector() and querySelectorAll(). These methods can be used to match elements against a group of selectors. I think, a lot of the functionality overlaps with jQuery selectors. My guess is that these new methods will be a few times faster than jQuery selectors because they are natively implemented. My question is, how will jQuery use these additions to the js selector API? Will jQuery selectors just encapsulate these new methods? If so, is this work in progress or..

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JQuery :: Accessing Widget Methods By Input's Id?

Dec 24, 2011

I have a text field

<input type="text" id="f">

I transorm it to autocomplete widget$('#f').autocomplete()How to access widget's methods and properties by id of the field?I need to access initialized widget to call some of its methods, modify properties etc.

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JQuery :: Calling Internal Methods Of A Prototype?

Nov 24, 2011

I've previously written an image carousel with lightbox and to be honest forgot about it for quite a long time. I've just been tasked with making a few modifications (I wrote this code about 6 months ago)

Now, the problem I have is that I now need to call the internal method from the ligthbox plugin.

I've tried setting a reference to this like this but it just won't play ball. I can see that the ajax feed gets called but unfortunately I can't then access it.

[Code]...

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JQuery :: Delaying Execution Of Non-effects Methods?

Aug 6, 2010

I'm trying to use delay() before changing the html contents of an object.Eg. myobj.text("Hi There").fadeIn().delay(2000).text("Bye!").fadeOut();The result of this is that it just shows "Bye!" then fades, without any delay. So delay() seems only to work only with effects methods (fade, etc) not with other methods.Is there any way of getting around this and making a pause between any type of method in a queue?

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JQuery :: Element Reference Methods After 1.4.1 Upgrade?

Feb 25, 2010

The following used to work with version 1.3.2

var x = $('#ElementID').val();
var x = $("'#" + "ElementID" + "'").val();
var eid = "'#" + "ElementID" + "'"; var x = $(eid).val();

Only the top one works with version 1.4.1

Similarly the following used to work with 1.3.2 but it doesn't work anymore.

var eid = "ElementID"; $("'#" + eid + " option[value='" + x + "']'").attr('selected', 'selected');

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JQuery :: Sloppy Documentation Of Ajax Methods

Aug 9, 2009

Here are the descriptions for the Ajax methods:
load -- Loads HTML from a remote file ...
ajax -- Load a remote page ...
get -- Load a remote page...
getScript -- Load and execute a local javascript file...
post -- Load a remote page...

So, if we want arbitrary HTML we have to use "load", but if we want a whole "page" (where is that defined?) we have to use "ajax", "get" or "post"? The "execute script" function (called getScript for some reason) only works with local "files"? I believe it will work with any URI (local or remote) returning JavaScript (assuming same origin policy of course), and whether it came from a file isn't known to the caller. These functions should describe the type of HTTP request they make, and skip references to "pages" and "files".

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JQuery :: Access Sub Objects That Associated To Methods In Plugin?

Oct 5, 2011

I am pretty excited in creating multiple methods within a single plugin. But how do we access a particular set of objects from any given method? Here is what I have so far and all i want to do is access the objects 'location' and 'background' when the DOM is ready...

*jquery plugin*/
(function($){
//call multiple functions inside of one large plugin that do different things!
var methods = {

[Code].....

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JQuery :: Performance For Different DOM Node Creation Methods?

Dec 3, 2010

Does anyone know if there is a significant performance difference between the below two methods of DOM creation in jQuery?

Method 1:
$("<div id='myId' class='one two three' style='width:100px; height:100px; z-index:1;' />").appendTo("body");

Method 2:
$("<div />").attr("id", "myId").addClass("one two three").width(100).height(100).css("z-index", 1).appendTo("body");

I imagine that when using the first method, jQuery does some string processing and eventually ends up doing the same thing as method #2. Is that correct? If so is there a significant performance cost for this? Overall I think the first method is better as far as readability goes but it would be good to also know its effect on performance.

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JQuery :: Using Validation's EqualTo And Rangelength Methods?

Nov 11, 2011

I'm using the class= style of setting up Validation. I have everything working except: 1. the equalTo method for email and repeat email, and 2. the rangelength method of the length of the password. It turns out the documentation example of equalTo in the housing web page demo is incorrect.[URL]... You can put 2 different email addresses in and Validation will not identify the difference and does not create an error message.

I've tried several things, but can't get the class style to validate equalTo or rangelength. The 2 current expressions I'm using are:

class="required email equalTo:'#contactEmailAddress1' "
class="required rangelength[6, 12]"

For the email, required and email format properly validate, but equalTo does not. What should I change?

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JQuery :: $.validator.methods[method] Is Undefined?

Oct 15, 2010

Could anyone please explain why my validation doesn't work? When I use only predefined validation methods everything seems to be fine, but when I use a custom method it doesn't do anything until I click submit and then cancels the submit with "$.validator.methods[method] is undefined". The debugger does never jump into the "noBefore" method, I got a breakpoint at the first line. I've tried to write the "notBefore" in quotes in the rules but that doesn't seem to help either.Everything seems to be right, though.

[Code]...

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JQuery :: Use Multiple Array Objects As Methods For A Plugin?

Dec 7, 2011

I have a set of functions that will transition/fade photos in and out as background images. Easy. But now I would like to run the same functions on a different html page with different photos (each different page represents a different JavaScript array).

I've been reading online on how jQuery methods can be called into functions. So my thought process is to create 2 methods (1 for the original images and the 2nd method for the other images).

So here is my base code which works...
$.landingpage = function() {

/*Enable background image cycles on landing page*/
var images=new Array('/image01.jpg','/image02.jpg');
var nextimage=0;

[Code]....

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JQuery :: Calling Methods And Having Them Execute In A Pre-Designated Order?

May 3, 2009

QUESTION: How does one control the order in which jQuery methods are called and executed when loading a page? BACKGROUND: This question has been simplified from my previous question on load order. As this appears to be a complex issue -- otherwise, it would probably have been readily addressed -- I could likely be satisfied by a link or two that points to a well-written document on this topic. PREVIOUS QUESTION: [URL]

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JQuery :: Methods Not Working On Newly Added Elements

Jan 5, 2011

I can't make jQuery methods (html, hide etc.) work properly on newly added elements (added via ajax). It's fine with the the current elements of the page but doesn't work on new ones! I am new to jQuery.

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JQuery :: Wrap() And WrapAll() Methods Are Not Working As Expected

Mar 4, 2010

Here is my code.. I am trying to wrap TBODY in DIV to have scroll for the tbody.. but it is not working as I am expected.

<!DOCTYPE html>

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JQuery :: Accessing Methods And Properties On An Object Of A Passed Element?

Jan 25, 2010

I have an object on the document element that allows for other components to register with it, i have a custom event something along$(document).bind("register",function(thechild)..So in the child object when they are created i call$(document).trigger("register",this);And indeed i get the DOM object. However i'm looking for the plug in object, i want to be able to call methods on the passed childobject and access it's Config.Does that make sense? How can i write a plug in that is applied to various objects that also registers itself with an 'overseer' object on the document element in such a way that i can allow that overseer object to call methods on any registered child objects?

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JQuery :: Pass Field ID Dynamically To Show() And Hide() Methods?

Jul 29, 2010

I am working on JQuery show and hide methods. I want to show and hide some fields. But those fields are dynamically generated. I have generated those field ids also dynamically. But i am unable to pass that dynamically generated id to the show or hide method. My code is as follows: please suggest me how to pass the ID dynamically.

$("h3").click(function () {
$(this).hide();
$('#trimnotesid1').show();

[code]....

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JQuery :: Attaching Methods To Identical Forms, But Only Invoking The Method On The Current Form

Sep 16, 2009

I have a form that is repeated through out the page by the backend, which I have no control over.

<form action="">
<textarea class="your_comment" rows="10" cols="70">

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Javascript Using Java Methods

Jul 23, 2005

Can Java classes/objects be used from within the javascript code on the
HTML page? I.e., can I call a Java method from the javascript function?

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Accessing An Object's Methods

Sep 8, 2005

I have a javascript function that needs to access methods of a java
object(localTag). In my JSP I'm trying to include hidden fields for
the Strings returned from the getter method calls of the object like
so:

<html:hidden name="FrmCustomerHolding" property='<%=
"localTag.getTagName()" %>' />
<html:hidden name="FrmCustomerHolding" property='<%=
"localTag.getTagValue()" %>' />

If I can do something like this, what is the correct syntax and how do
I access this property in my javascript? When I have a hidden field
that is just a String, I access it in the javascript like
"document.getElementById("theString").value" and it works fine, but I
can't seem to find how to access the String value of a method call.

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Targeting Specific Methods

Mar 12, 2007

I am wondering if it is possible to get the response from a method
within a given page, and that function alone? Traditionally, I have
been getting the response from the Page_Load method of the targeted
page, but now I want the response from a particular method on the
target page:

Public Sub SomeCallback(ByVal sender As Object, ByVal e As EventArgs)

'RETURN XML FOR CALLBACK

End Sub

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Using Object Methods In AddEventListener

Jul 20, 2005

When you use addEventListener (or addEvent in IE) to call an object
method, does it call it with the correct this parameter?

The ECMAScript reference has a lot to say about the caller using
Function.prototype.call or Function.prototype.apply and passing the
correct this pointer for the context, but how does addEventListener
determine the correct this pointer. Or does it just punt and pass the
global context, thus making it impossible to refer to the object this
in an object method used as an event listener?

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How To Convert From Switches To Methods

Mar 26, 2009

So I have this homework assignment where I need to get my application from switches to using methods to give me the same result. I usually am good in this class, but right now I am completely lost. Here is a piece of the code using switches:

/* Get Type of Math problem from the user */
input = JOptionPane.showInputDialog(null,"Enter the type of Math Problem"
+ "you would like to solve:
"
+ "Addition = 1
"
+ "Subtraction = 2
"
+ "Multiplication = 3
"
+ "Division = 4
"
+ "Enter the number of your choice: "); .....

I need to get this same result by using methods. I can use these method signatures:
public static int readProblemType(){}
public static int getAddProblem(int randomValue1 int randomValue2){}
public static int getSubProblem(int randomValue1 int randomValue2){}
public static int getMultProblem(int randomValue1 int randomValue2){}
public static int getDivProblem(int randomValue1 int randomValue2){}
public static int readAnswer(){}
Looking at what I need to do, how would I use public static int readProblemType(){} method to read the problem type? Or where should I start?

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