[H] Interacting Objects As Links
Nov 16, 2011
A "dough-nut" type wheel will be located in the bottom center of the web page. The wheel will be divided into 3 tiles. One will be able to click this and drag to turn the wheel. An arrow will be centered directly above it in order to show which tile on the wheel is selected. Above the arrow will be a go button, once the go button is pressed, a user will be directed to the page that the tile leads to. The go button will inherit the image on the selected tile.
So first off, is this possible? Next, what code type (I think javascript but I am not sure) or software will I have to use to do this? Finally, I need a general idea of what the code would look like.
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Jun 16, 2006
I'm trying to write a small little bookmarklet to insert some text into a textarea on a website I frequent. The first problem I ran into was that while the textarea I wanted to mess with was named, the form wasn't. To get around this I tried:
window.document.forms[0].comment_body.value
which, for some reason, sometimes worked. But not every time. Then I found getElementsByName but I can't seem to get that working either. Here's my latest attempt:
javascript:function wlcauto() {elements = document.getElementsByName(comment_body);V = 'bla bla bla bla bla'elements.value = V;}wlcauto();void(null)
Anyone have any ideas or links to something?
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Sep 19, 2006
I have two windows, one, the 'main' window which contains a blog entry, and a 'child' window that contains item in an ordered list. Each item A-Z has a corresponding word a-z in the main window. Whever the user puts his mouse over, or clicks on a-z in the main window, I'd like the corresponding item in the child window to be brought to the top and highlighted.
I haven't had much luck looking around for answer because I'm not sure what I should be looking for. Even just some search terms would be helpful (though I prefer a nice solution!).
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Dec 11, 2006
I'm using IFRAME to connect back to my ASP.NET page in order to fetch the FreeBox HTML Editor html contents and scripts (i do this apprach because the html editor is fairly heafty to send to the user when most dont use it on our site instead deferring to a user request before actually sending down the code via AJAX or in this case an IFRAME). Code:
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Apr 5, 2011
how would I go about interacting with an element inside a Frame from JavaScript? For example, here's the HTML of the page:
[Code]...
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Sep 29, 2011
Within my site I have the following code:-
Code:
<form>
<button onClick="changeVideo(2)" type="button"/>
</form>
<object id="videoPlayer" type="application/x-shockwave-flash" data="http://www.mysite.com/videoplayer.swf">
[code]....
By default when my site loads the flash file gets the value of currentItem from Flashvars and does what it needs to do with this value. The flash file in question is just a basic video player and the id of the video to be played is retrieved from flashvars.
However I want users to now be able to click the button in my form and then the value of flashvars in my videoPlayer object will change to the value passed in the changeVideo() function i.e. in the above example value="currentVideo=1" will become value="currentVideo=2".
That's the easy part I think but what I then need to do is get the flash file itself to load this video without a page refresh but I have no idea how to get the flash file to recognise this value once it has already loaded. What exactly are my best options here?:-
1. Reload the flash component via ajax every time a user selects a new video i.e. every time changeVideo() is fired?
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Feb 27, 2009
how would select the first parent of the interacting 'this' ?
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Apr 17, 2011
Is there a way in Javascript or Jquery to return an array of all objects underneath a certain point, ie. the mouse position. Basically, I have a series of images which link to various web pages but I have a large semi transparent image positioned over the top of the other images. I want to find the href of the background image that the mouse pointer clicks over.
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Sep 5, 2009
Is there a better way to extend object with internal objects?
$.fn.bestShow = function(s) {
var d = {
width: 0,
height: 0,
order: "numeric",
orderBy: "",
[Code]...
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Apr 30, 2010
I am new to jquery, and love it so far, but I am more of a designer, not a developer. I am learning jquery to enhance my sites, and I am having a problem figuring out buttons.
I have them working in firefox and safari, but in IE links do not work.
Here is the script I have, and the button code.
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Aug 26, 2009
My menu navigation(Home, Hosting Solution, etc..)
1. The submenu links need to be centered in the middle of the div instead of aligned to the left.
2. Can the submenu links have a rounded box appear under them, instead of being underlined links. Like these at the top: [url]
3: The top tab needs to stay gray/active/on when the mouse is moved down to the submenu or when it is the active button.
Here is the link of the site [url]
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Mar 10, 2010
I'm using jquery/ajax to create some links with window.open method. Here's the relevant code:
$("#content").empty();
$.ajax({
type: "GET",[code]..........
Basically, when you click a link a function is called with a parameter based on the particular link you run. Then the code runs through an xml file, and if the parent of the nodes I've cyling through has a value equal to the parameter past to the function, that node is used to create a new link with window.open function attached to it.It all works, or seems to, and when I alert what is being built, it looks right to me, yet the links don't work.I've attached a copy of one of the alerts of one of the links as it's built.
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Nov 28, 2010
I have an image wrapped inside a link tag.<a href="somepage.html"><img id="content" src="img/some.gif" /></a>
I want this .click target to be the link: $('a').click(function(e){
Instead, the target returned is the image [HTMLImageElement].
I have tried using closest()and currentTarget:
But they all still return the image, not the link.
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Aug 3, 2005
I am trying to figure out how to use objects properties in my code so
when the page loads All my properties are in object where I can use
elsewhere in my page. Code:
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Jan 3, 2006
I'm trying to use the following code to load xml files:
ImportXML = function (ts) {
this.file = ts;
if (document.implementation &&
document.implementation.createDocument) {
this.doc = document.implementation.createDocument("", "", null);
this.doc.obj = this;
this.doc.onload = this.callBack;
this.doc.load(this.file);
} else if (window.ActiveXObject) {
this.doc = new ActiveXObject("Microsoft.XMLDOM");
this.doc.onreadystatechange = this.ready;
this.doc.obj = this;
this.doc.load(this.file);
} else {
alert("Error");
}
}
ImportXML.prototype.ready = function () {
if (myDoc[counter].readyState == 4) this.obj.callBack();
}
ImportXML.prototype.callBack = function () {
alert('loaded');
}
var xmlDoc = new ImportXML("bar.xml");
The problem I'm having is with the second line that reads
this.doc.obj = this;
IE tells me that object doesn't support this property or method. How is
it possible to get a reference to the object (xmlDoc) in the prototypes
'ready' and 'callBack" with IE?
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Jul 23, 2005
Where is the list of js objects (Anchor, Applet, document, etc)? It's not in the Netscape Guide or Core documents.
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Jul 20, 2005
If you have a javascript interpreter running in an environment unknown
to you (as in what objects it exposes to the language) is it possible
to loop through all objects in some way?
This is a non-browser environment, specifically the scripting engine
for doing xslt extensions in msxml.
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Jan 22, 2011
I have the following code:
var img = new Image();
img.myProperty = 'something';
I've tried Image.prototype.myProperty and a few other things. It seems IE just doesn't want me extending the Image object.
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Jul 4, 2011
"When we combine FUNCTIONS with OBJECTS we get METHODS". Then he creates an empty ARRAY:
var a = [];
then he uses the "push() method" to add elements to the array.
a.push(1,2,3);
uh, methods are for *objects* right? Yet he is using them on an ARRAY.how an array can magically becomes an object that is manipulated by a "method"?I mean, the array is still an array, no? It never actually becomes an object, right? Yet we still use a *method* to manipulate it. See my conceptual quandry?
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Mar 10, 2007
I've often write javascripts that use this rather common code to get all tags in an XHTML document:
var alltags = document.getElementsByTagName('*')
... and then use a for loop to access the elements as an array, for example:
for (i=0;i<alltags.length;i++) {
elementClass=alltags.className
[i]Do stuff
}
This has always seemed to work in the past, but I recently learned that the getElementsByTagName method returns a DOM NodeList, not an array. I'm currenly working on a project that needs to access the children of an element conditionally upon its class.
I have three questions. First: How do I declare a global variable to be a DOM NodeList object? It wouldn't be assigned until called from a function, so something akin to var elementList = document.getElementsByTagName() in my global declarations is out of the question. Is there something like var elementList = new NodeList() in javascript? (I know that I can assign it in a function without the var and it will be global, but other people may have to work with this code, and I'd like to have it clearly declared at the head of the program.)
Second question: Assuming alltags is a NodeList returned from a getElementsByTagName call, which of these is proper? This:
childElements = alltags[i].getChildNodes()
... or this:
childElements = alltags.item(i).getChildNodes()
And finally, which of the above techniques has better browser support?
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Jun 20, 2007
I recently had a problem where I needed to build up an array of strings, that would be join()ed into a string when the array building was complete. however, each value could only be in the array once.
This was a problem for a few reasons. Once a value has gone into an array the only way to check for it that works cross-platform is to scan the array looking for the value. FireFox has the every() and some() functions but they don't work in anything else.
Using an object to simulate an assocaiative array would allow me to avoid this problem by storing key/values with the keys having the same value as the value I was storing. I could then use the (a in b) construct to check that I had not already added a value.
However, array type methods won't work with objects, so I had no access to size () or join () meaning I'd have to manually build the string by iterating over the object.
My solution was to use an array object, but to store the provided data i nboth the array proper and as a property of the array object.
var myArray = new Array;
function addVal (val)
{
if (!(val in myArray))
{
myArray [val] = 1;
myArray.push (val);
}
}
addVal ('one');
addVal ('two');
addVal ('three');
addVal ('one');
addVal ('two');
addVal ('three');
console.log (myArray.length);
console.log (myArray.join (', '));
This approach does use up more memory but it does give me the advantages of both arrays and objects for little extra work. (if you don't have FireBug then replace console.log with alert)
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Dec 20, 2005
I know if I use this code:
var arrTD = document.getElementByType('td')
That arrTD will have an array of "HTML DOM TableData Objects".
Now what is the best way to access each object and see what it contains. I would like see which properties each object has and what their values are. I also guess there could be some other objects within the TD object and maybe even some events and methods.
Now I have been reading an on-line reference about DOM, but I think it is a little dated.
http://www.w3schools.com/htmldom/default.asp
For example I know that a <TD> can contain class="something" but I could not find a property called class, but it did list others like id, align etc.
I would like to learn how to access and view the contents of a DOM object.
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Apr 22, 2010
I would like to have page which uses a few xhr objects and automatically (after 30 seconds) starts the same few requests again It works for me well in IE7, IE8, but not IE6 (where is in browsing history chosen option "automatically" ). It works there only for first time and I can't set it for circular reloading. It looks like page is reloaded, but xhr objects are not doing their job ...only - as I wrote - for first time after page load.
I have tried a lot of things:
- headers: no-caching
- window.reload(true)
- window.setInterval
- window.location.assign
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Jan 5, 2011
I tried to set an onclick event with:
node_a.setAttribute("onClick","visibility_on_off_by_el('"+node_b+"');");
where node_b is a pointer to a DOM object: node_b = document.getElementById("a") The reason I passed a DOM object into a variable, was to avoid searches document.getElementById() each time. However, it will not work. I am confused I cannot figure out if it a a mistake of mine or just the way javascript works.
Could anyone explain why I cannot use variables as DOM objects in order to avoit each time a tree search document.getElementById("a")? Bellow is given the code with explanation when it works and when it fails.
[Code]...
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May 29, 2003
Does anyone know of any generic code to clone an object (which only contains properties), which copies by value, not just reference?
It seems as though there should be some sort of prefab recursive function that could work for any old object, so I didn't want to re-invent the wheel Code:
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Oct 28, 2003
I am dabbling with objects and have successfully created an object with various properties, one of which is an Array, and all is fine. the Question I have is can I make an Array of objects? I have the following object:
dataSeries.Type = value
dataSeries.Name = value
dataSeries.dataPoints[n] = Array of values
dataSeries.color = value
What I would like to do is have an Array of multiple objects supposedly like:
dataSeries[0].Type = value
dataSeries[1].Name = value
dataSeries[2].dataPoints[n] = Array of values
dataSeries[3].color = value
Is this possible?
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