JQuery :: Animate Callback Scope For Infinite Loop?
Jun 7, 2009
I'm trying to create an endless animation similar to a screen saver, here an image floats around the screen, fading in and out. I would like to stay out of the global namespace, so I'd like to use the callback to animate() rather than getTimeout(), which seems to operate only on functions in the global namespace. Please correct me if I'm wrong about that. But I'm having trouble maintaining the scope I want for the callback I want "this" to refer to my Animation object, not the HTML element. I understand many folks have solved this problem for events by using bind() or live(), but I am wondering how to do this for animate().
[Code]...
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Jun 2, 2010
I have a toggle animation which puts the area I want to show to the user in view, ones that animation has played I want to animate several other objects on the page. I have the code to animate one object by using the callback function in animate. But is it possible to animate several objects in the callback function?. this is the code I have so far
$(document).ready(function(){
$(".navigaat").toggle(function(){
$(".mover").animate({left: '0px' }, 'slow',"", function() { $(".blok").animate( { fontSize:"160px" } , 1000 )});
[code]....
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Apr 26, 2010
The following sentence makes jQuery hang up: $(":( We'll this activated :D").text()
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Jun 2, 2009
I have some problems about using jcarousel library on Google Map, and following is my scenario: there is a Marker on the Map, and when clicking on the Marker,Info-Window will pop up, and jcarousel content will be in the Info- Window And This is a simple demo:
[Code]...
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Mar 19, 2010
I was making some error checking... and well for some reason its not liking me...
<html>
<table border="1">
<tr>[code].....
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Jul 24, 2006
I would like to create an image "slideshow" for which I am using the following loop:
<script type="text/javascript">
intImage = 22;
function swapImage() {
if (intImage >= 22) {
intImage=1; }
else {
intImage++;
document.getElementById("IMG1").src = "images/P"+intImage+".jpg";
} }
intImage = 1;
function swapImageback() {
if (intImage <= 1) {
intImage=22; }
else {
intImage--;
document.getElementById("IMG1").src = "images/P"+intImage+".jpg";
} }
</script>
The problem with the loop is that it's infinite, which I understand is generally not a very clever solution. In this particular case I would like to escape the loop with P20 and then link to a new page.
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Jun 11, 2011
I am trying to do the following: I have written a simple programm that loops through an array of images when the user clicks a button. I have used a for loop to do this. The program works fine, however when I get to the end of the array, the condition created in the for loop is "true" therefore the button no longer changes the image. How do I start the loop again to create an infinite loop (i.e. every time the button is clicked, the image will change)?The script I have written is as follows:
var mySpheres=new Array("sphere.gif","sphere2.gif");
function changeSphere(){
mySphere=document.getElementById("sphere");[code]....
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May 3, 2011
That's right folks, it's your favorite noob again. I am working on a popup calendar, and it is almost finished. The problem I am running into, is there seems to be an infinite llop somewhere in the cell creation. i have attached a snippet of the popup calendar as it currently is produced. As usual, I have spent the requisite 2 hours staring at my code. I found a few things, but I am now stumped.Here is my code, let me know what you see.
<!DOCTYPE html PUBLIC "-W3CDTD XHTML 1.0 TransitionalEN" "http:www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http:www.w3.org/1999/xhtml">
[code]....
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May 3, 2010
I have a function that takes the input from a text area, searches through the text, and should replace &, ", <, or > with &, <, etc. As the code is now, it will replace other characters, but runs into an infinite loop when dealing with ampersands.I'm thinking it's finding the ampersands from other things it has already replaced and trying to replace them over and over.how to improve this and break out of the loop?
Code:
<script language="javascript">
function replace(){[code].....
Here's a link to try it out, but the loop is infinite if you search for an & and may crash your browser.
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May 2, 2011
I have a problem of an infinite loop.The problem is found at:
http://truth-and-opinion.dyndns.org/BoR/
This page was created with minimal script, taken out of a larger more complex page.The body element is set with the onload attribute which calls a handler to initialize the content. In particular, I want to initialize the URL with a query substring: "?p=X" where X is a number from 1 to 10, corresponding to pseudo-page content. This is done by setting the page URL with the location.search property.But the problem with this appears to be that setting the location.search property causes another onload event, which then calls the initializing handler and sets location.search property again.
Setting a global such as locSearchInProgress to a boolean and testing if it is true within the initializng handler to cause it to return and thus to prevent execution of the location.search assignment statement is not helping.I have tried using .stopPropagation() and .preventDefault() methods while developing in FF, but have been unsuccessful.Is there a way to update the URL using a location.search assignment without triggering onload?
MORE INFO
What is a "pseudo-page"? There is actually only one HTML document (index.html), and it has ten DIV elements that are NOT displayed (CSS property "display:none"). After the user initiates a click event on the part of the document that is an interface for content / pseudo-page selection, any one of the DIV elements can be called using document.getElementById(), and its content put into a DIV that displays the content using a contentNode.replaceChild().Thus page navigation is script-based using hidden content fetched into a visible container.
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Nov 23, 2005
I am trying to convert some of my javascripts into a class and am
running into difficulties which i think are related to variable scope.
Basically I have a constructor function for a calendarInput class that
takes 4 parameters, the first is a reference name/number for this
input. I also have some functions for importing my PHP classes into
Javascript using AJAX (properties only. still trying to get methods
working but that's another story!). The relevant function is called
call_object_method(classname, methodname, createparams, methodparams,
post, callbackfunction). This creates an instance of the specified PHP
class using the parameters in createparams. It then calls the
specified method using the parameters in methodparams. The result is
passed back to the javascript function specified in the callbackfunction parameter (ie the value of xmlhttp.onreadystatechange is set to callbackfunction before xmlhttp.send() is called)
The function i am trying to fix is called show (x,y) which creates the
html for the calendarInput and displays it at co-ordinates x, y.
So, my code is as follows:
function calendarInput(calendarid, target, displaytarget, value)
{
this.calendarid = calendarid;
this.target = target;
this.displaytarget = displaytarget;
this.value = value;
this.show = function(x, y)
{
<!--// bunch of init and prepping code. includes creating
createparams and methodparams arrays //-->
call_object_method("cms_calendar", "getcalendarview",
createparams, methodparams, false, this.showcallback);
}
this.showcallback = function()
{
alert(this);
<!--//code to create html//-->
}
}
I know i've cut out most of the innards of this. This is because I
have already tested these functions and had the calendarInput working
outside of a class, hence am pretty sure that this is ok (plus it runs
to almost 1000 lines these days!!). My problem is that when I call the
show method, the alert on the first line of the callback function
returns the function showcallback instead of (as i was expecting) the
instance of the calendarInput object. Whilst this kinda makes sense I
can't figure out how to reference the Object instead. I have tried
'this.parent' but this returned undefined. I have tried changing the
way i reference the callback function (ie the final parameter of
call_object_method) but no joy.
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Feb 9, 2011
This could appear under Ajax, for example, you could have multiple objects that make a singular ajax call (say an RPC-like request) and you need to update the object that made the call during the callback with the result, but it doesn't have to be. The particular problem I'm thinking about happens to be ajax, particularly with multiple objects accessing the same ajax request (meaning I can't use a global or temporary variable).
One way that seems like it would work (just thinking about it in my head), is to create a hash, and to pass the key through the request, store the key in the response, and pick it up on the callback side. Then remove the item from the hash when done.
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May 27, 2010
I'm experiencing with the .animate() function.What I'm trying to do is implement a wicked window scrolling method that I found here:URL...Basically I'm wanting a nested animation, ie do A first then B, so in my example, after the window has scrolled down, I then animate a div to open.. however the callback function code within the // secondary animate comments is executed twice.[code]
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Sep 7, 2011
I don't have the exact code anymore, but it was something like this:
$('html,body').animate({
scrollTop : $element.offset().top
}, 900, function() {
$element.find('h4').eq(0).click();
});
The click in the callback function was executed twice. Version 1.6.3.
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Sep 29, 2009
The animation works, but the callback function (alert) doesn't get called.[code]
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Jan 18, 2010
I cant get collision detection to work. I tried but it always caused an infinite loop.
Heres the code.
<html><!-- main file.--><head>
<title>lightning generator</title>
</head><body>
<canvas id='world' width='500' height='500' style='border: 1px solid black; padding:0;'>
</canvas><script type="text/javascript" src='world.js'></script>
[Code] .....
In the end of world.bolt.cpath,there should be a way to use the local varis X and Y, and world.ground.js's world.ground.level[] to detect it. sorry for the gigantic length.
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Aug 27, 2009
I want to animate ALL classes called ".article" to opacity=.2 and then fire a callback,which animates ONLY the closest ".article" to ".button" back to opacity=1.Know, what i mean?Here's the script:
$('.button').click(function() {
$('.article').animate({
opacity: '.2'
[code]....
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Sep 28, 2010
My callback is firing at the beginning of the animate execution instead of at its end, as is expected? It appears the callback is being fired before the animated tween even begins. [URL]. I am puzzled, but this occurs in FF and Chrome, both.
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Aug 1, 2011
I'm using the color animatepluginto animate some colors.I'm animating the width on hover and using .stop() before each animation.when i click my paragraph it animates the color of the div back and forth with a callback function to reset the background color in case .stop() freezes the color. But the callback function is not called.try it here:[URL]Now I want to always call the callback function.
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Dec 6, 2010
at the end of the animation, I'm trying to run a function that relates to 'i', but every time it represents the last possible number instead of a range
for (var i = 0; i < bubbleArray.length; i++) {
var _this = bubbleArray[i]
var mLeft = parseInt($(_this.div).css('margin-left').split('px')[0]);
[code]....
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Jul 27, 2010
I have a slogan that is supposed be animated so that one part slides onto the screen, followed by the other part. My understanding of the 'callback function' parameter on the .animate() function is that it's not supposed to execute until the animation is finished. The trouble is, the two functions seem to be executing at the same time (that is, the two parts of the slogan appear on the screen at the same time.) Here is my code:
$(document).ready(function() {
// hide slogan text $('#slogan_1').css('left','270px');
$('#slogan_2').css('top','75px');});
[code]....
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Sep 30, 2009
Why the following doesn't work??? It alert n times (with n=arrIDPortletNavigationDependent.length) the same element of the array: the last one.
function FadeOutAnyPortletAndAFTERalertTheirID()
{
for (i=0; i<arrIDPortletNavigationDependent.length; i++ ) //arrIDPortletNavigationDependent exists and contain 4 items
[Code].....
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Jan 4, 2010
I'm having issues with the animate procedure in jQuery. I should start by saying that while I am not new to web developement and scripting, I am fairly new to jQuery so this may be fairly elementry to some of you pros out there.
Basically what I am doing is I have an image map with hot spots, when you mouse over a hot spot, another image (an enlarged version of the hot spot) appears (fading in and growing) and then disappearing on mouse out (fading out and shrinking). My problem is odd because it does not happen every time, but "sometimes" when you mouse over the first animation (grown and fade in) will run then second will run (shrink and fade out) and then repeat until you click outside of the hot spot and the popped-up image. I've noticed the problem mainly occurrs in Firefox (3.5) and rarely or never in IE (8) and Chrome (2).
[Code]...
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Apr 13, 2010
I use the getJSON request to fill a select (with cities names) after the user have choosen his region.
I paste some code:
The problem is that callback is never called. I used firebug and i have seen that when i change region the getJSON function is called and my script (python) return this JSON:
Why my callback is not called? I can't even get the alert ('callback time!'). I thinked that my json could be broken, but firebug net console read and parse it very well, so i think is valid JSON.
I also tried to split up the function declaration from the getJSON request, but it's no use.
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May 16, 2011
I cant get the scrollbar to animate to 500px, onload.
Here is a link to my page...[url]
<script type="text/javascript">
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Dec 5, 2011
I want to create an web page with infinite x and y.
In web page user can add widgets , once widget added they can place it anywhere on the page , and when next time they login again we have to reposition every widget exactly what they originally had.
Like this one .[URL]
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