How do I selected certain child ID elements? Say for instance I wanted to select #parent #child
<div id="parent">
<div id="child">The child</div>
</div>
How can I do it with $('parent')? I tried chaining it but that didn't work.
<div class="userbox posts" id="pst146996">
<div class="imgholder">
<img alt="Chris Hardin" src="http://codebix.com/bp/1633.png">
<div style="margin-left: 20px;" class="commentbox">
[code]....
i want already select .postlike in $(this) now i want to select the tagh1 who is in .commentboxelements.i want to change the h1's inside text 1 to 2 so i write the code
$(this).closest('.posts').children('.commentboxelements center h1').html('1');
i try this but it's not worked anyway how i can do this.
I have been staring at this problem for too long and most likely missing a simple solution so I hope somebody can take my blindfold off and show me the way The markup (which comes from a CMS and I cannot change it) I am working with is akin to:
<div id="faq">
<p><strong class="open">FAQ 1</strong></p>
<p>FAQ 1 content lorem ipsem lorem ipsem ad infinitum</p>
[code]....
Notice how the second fo 3 FAQ sections has 2 paragraphs under the 'trigger' rather than 1? Therein lies my problem, because what I am doing with prototype.js is:
1.) Loop through page and collect all <p>'s
2.) do a .each iteration and attach an onclick event on $$('p strong.open') - assume this node for each iteration is now var 'trigger'
3.) run Element.hide() on trigger.next()
4.) in the onclick event, run Element.show() for trigger.next()
- If you are still following so far - my problem is that next() only shows/hides one single element and that is the <p> holding the content - which is fine except when there are 2 or even more <p>'s with content I need to act on. I;ve experimented with nextSiblings and adjacent() and I end up with too many nodes - basically every <p> in the entire document. I just want 'hide all P's after the trigger P up until the next p > strong.open
I cant figure this out. I have an XML file that looks like this.
Code:
<?xml version="1.0" ?>
<xml>
<Root>
<event>
<image>images/eventsoon.jpg</image>
<description>Great Event</description>
</event>
[Code]....
I have the xml loaded and I can count three events xmlDoc.getElementbyTagName('event').length What I want to do is get the child elements of the event, but I cant figure it out. xmlDoc.getElementbyTagName('event')[0].childNodes[0] shouldn't this be the <image> tag of the first event? I want to pass the event as a variable and then access the child var thisEvent = xmlDoc.getElementbyTagName('event')[counter]
The problem is that I'm creating child elements based on an xml document served from a php script. However everytime it is served I'm just appending all the elements to the end of the child list creating copies. So I decided to just remove all the children each time.. But this doesn't seem to be working.
function remove_shouts(){
var shoutbox_div = document.getElementById('shouts');
var shouts = shoutbox_div.childNodes;
for(var i = 0; i < shouts.length; i++){
shoutbox_div.removeChild(shouts.item(i));
}
}
I have a drag and drop box. Don't know how to solve one problem. How to check if a drag and drop box have child elements?
View 2 Replies View RelatedI'm trying to find the trailing [code]although there is a text node after it. I suspect there may be an issue because if you get the returned [code]you get the text node containing "and some more text".
View 3 Replies View RelatedThis div is the only div. Inside it has images that are clickable. I want to be able to first grab the left position of the elements and when they like a left arrow want to take this left number value and subtract it by a number and if the the right arrow is pressed then it will add a number to the left number value.Is this possible and if so how can I do this? I am guessing i can use the .css with the .child in jquery.
View 4 Replies View RelatedI've looked all over and can not find what I need.
I have 6 divs this involves..
<subbody>
<covergroup>
<coverleft />
<coverright />
[Code]....
The cover group contains left & right bar images that repeat vertically as the page expands. The top is just a simple blue background (also content bg color)
Obviously content is the content of the page and both covergroup and content are within the subbody.
Is for the <subbody> tag to be the size of <content> + 5px on top (size of the <covertop>), and the left and right cover divs to expand to the size of subbody.
I guess since I'm using a footer (with image and text) letting the page expand as it wants is out, and I need javascript to make it work.
im experiencing a problem when using the :nth-child() selector.
I currently have a div that contains multiple divs. These divs have either the class 'labels' or 'labels-alt', I currently use the following code to change add/remove a class to one of these
function mOver1(n) {
$('.labels:nth-child('+n+')').toggleClass("labels-hover");
}
function mOut1(n) {
[Code]....
Let's say I want to select all the input elements of a particular form with id #form. What would be faster?
1. $("#form input")
or
2. $("input", "#form")
In my (rather unscientific) test using firebug, 2 seemed to be almost 50% faster.
i am new at JS and jQuery and trying to make this code work. But i can't solve the problem. when u click on parent of nested list items.It hide the unordered list too. i tried to add siblings() method but still its not working like it should i.e parent of nested li should be visible to toggle its child again.
[Code]....
I have a document that contains a child frame with name/id = "help_frame".
From Javascript in the top level document I can access the child frame's
elements using:
var elem = document.frames.help_frame.document.getElementById ("chkSynonym");
but if I try:
var elem = document.frames.help_frame.document.chkSynonym;
the result is 'undefined'. What is wrong with my syntax?
I've been fiddling around with a bit of javascript in a chrome extension - something to alter the Google buzz webpage.I'm trying to find each individual post basically and have the following:
var entry =$('.X0POSb'); //This main block contains the bulk of Google buzz content
console.log(entry);
var items = entry.find('.G3.G2');
[code]...
I want to do something like this
<div>
<p>
<p class="active">
[code]....
According to ECMAScript, the root of the prototype chain is Object.Prototype. Each object has an internal property [[Prototype]] that could be another object or NULL.... However, it also says that every function has the Function prototype object: Function.Prototype, it confused me, because a function is an object, for a function object, what is its function prototype and object prototype..For example:
var x = function (n) {return n+1;};
what is the relationships of x, Object.Prototype and Function.Prototype
I am trying to get to the bottom of javascript object, prototypes etc. I have a fairly good grasp of it, but I get confused the closer I get to the base object.prototype. FIrst of all, I was under the impression that all objects descend directly from Object. But some objects (like Array) seem to inherit properties and methods from the function.prototype. So does this mean that the chain is like this:
object -- function -- array Second, I noticed (on the mozilla javascript reference site that object.prototype inherits properties and methods from function.prototype and vice versa!? How can this be? I must be missing something important about understanding the chain?
so i wrote this slider with some help from an admin, everything works as I would like it to but I'm trying to make it a plugin so i need to tighten up a certain part of the code:
(function( $ ){
$.fn.jmSlider = function() {
// get total width of all li elements in the slider
var wrapWidth = 0;
[code]....
what i would like to do is instead of using "li:first" and "li:last", i would like to use first-child and last-child so the element doesn't need to be a li, in can be anything that is the direct child of the parent container.
I have created parent child checkboxes. When one child is selected, then parent of that child, other child of same name and parent of that same name's child will be selected... Now I want if I unchecked any child, then only same name of child and parents should be unchecked or if I unchecked Parent Child, then same name of parent and child will be unchecked.
[Code]...
I have a difficult work around Jquery. I want to remove all li items from the ul except first li and last three li how to remove the li elements from these list.
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
[Code].....
I have a parent window that pushes a new window object onto an Array
with the following code :
OpenChild()
{
//totalNumWindowsCreated is global
totalNumWindowsCreated = totalNumWindowsCreated + 1;
childWnds.push(window.open(link, "child" +
totalNumWindowsCreated,"dependent"));
..
..
..
}
This pops up a new window with every call. In the child window I call
a parent function onbeforeunload, appClose() :
function appClose(){
if (window.opener && !window.opener.closed){
window.opener.CloseChild(getQueryString("application"));
}}
This is in my frameset tag of the child code :
<frameset ... onbeforeUnload='appClose()'>
The window.opener.CloseChild() function is called perfectly when I have
one child window open, but as soon as I create another child window
both of the open child windows don't ever call it. They do both go
into the onbeforeunload appClose() function, but do not call the
window.opener.CloseChild() function inside of this routine.
Anyone have any ideas why when I have two child windows open I can't
access the window.opener functions?
I have tried taking each new window out of the array and used the
following code in CloseChild() :
CloseChild()
{
//win and totalNumWindowsCreated are both global
totalNumWindowsCreated = totalNumWindowsCreated + 1;
var win = window.open(link, "child" +
totalNumWindowsCreated,"dependent");
..
..
..
}
I can use "with" like this:
function MyObject(message)
{
this.message = message;
}
function _MyObject_speak()
{
alert(this.message);
}
with (MyObject)
{
prototype.speak = _MyObject_speak;
}
I was wondering why I can't use "with" like this:
with (MyObject.prototype)
{
speak = _MyObject_speak;
}
I have a page I am working and I am having some trouble with: I need to show and hide areas based on a radio selection. I initally started using the show / hide feature in Jquery but the problem is the elements need to be removed but then put back if the user selects the radio buttonagain as it has form elements that have validaion on them. The validation is still trying to validate the form elements becuase they are still on the page but just not showing. This is the radio group the user makes the selection from:
<input name="terms_usr" type="radio" id="terms_usr_1" value="1"/>
<label for="terms_usr_1">Credit Card</label>
<input type="radio" name="terms_usr" id="terms_usr_2" value="2"/>
<label for="terms_usr_2">C.O.D</label>
[Code]....
One of the complaints about prototype.js (google for it if you're not
familiar with it) is that it's poorly documented. I have this inkling
that the key to understanding prototype.js is in the bind function.
The problem with Javascript is that the "this" operator is poorly
overloaded and it is often hard to understand in the context of
object-oriented javascript
So, let's start with the definition:
Function.prototype.bind = function(object) {
var method = this;
return function() {
method.apply(object, arguments);
}
}
As I read this, it states that all functions (which are themselves
objects) will, in the future, have an associated method called "bind".
The function() function, so to speak, simply instantiates a Function
object with the parameter list and then evals the statement, sticking
the resulting execution-tree in the current code frame.
The "this" there refers to the function object associated with the call
to bind(), right? But the word "arguments" there refers to the
arguments passed to the function object *generated by* the call to
bind().
In every example within prototype.js, bind() is called either in a
constructor or within a method contexted to a javascript object, and is
always called with "this" as its argument, e.g.:
this.options.onComplete = this.updateContent.bind(this);
As I read the code it seems to be stating that the "this" object
referred to within bind()'d functions are being coerced into always
referring to the current instantiated object.
But isn't this always the case anyway? Is this a rather confusing
attempt to ensure "this" purity whereby the call
method.apply(object, arguments)
is forced to always have the reference to the containing object present?
I think I've got it. Bind() generates uniq functions that contain live
references to the objects to which they belong, such that the function
object can then be passed to setTimeout() or onMouseOver(), handlers
that accept functions but not objects.
Lets say we run: window.alert = function() { };
Is there anyway to 'restore' the original alert() method or is it gone
forever?
I know you can do window.alert = Window.prototype.alert, but lets say
you also set Window.prototype.alert = function() { } or lets say we're
in Opera, which doesnt have a Window "class".
I would like to set up an event observer outside of an object, so I
can't use this.bindAsEventListener. How can I pass the correct object
reference?
I tried something like this, and various other variations, but no luck.
This works when I set it up from inside the object, using "this.",
Event.observe(targetId,'click',targetId.select.bin dAsEventListener(this),false);