'nesting' Timeouts Or Delaying Until Functions End
Nov 29, 2010
I'm running into issues while trying to make some simple code to loop through and display different combinations of 3 colours.I want to show 3 boxes on screen and then loop through/increment each possible combination of colours.The problem with timeouts is although I can create a delay until the cycle on one level has finished before executing code to change the layer above it, this isn't enough - each level of loop has to increment just a single step after the layer "below" it completes a cycle. So I think I need some hybrid between nested for loops and timeouts (if such a beast exists).
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Dec 14, 2010
If I use this function to create a user-specified set of text entry boxes :
function build_form_fields_vinyl_design_qty($amount)
{
var $container_left, $container_right, $item, $field, $i;
[code]....
But then I want the one of the created text boxes, to perform a similar function, ie. create another kind of set of text input fields, does anyone have a suggestion for how to do that. I know that the name of each created text box is name="name_of_design_'+($i+1)+'". But since the box is not created yet, I don't have the option to just call another function onkeyup, when the user enters a number in one of those boxes to create the next tier of options.
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Oct 7, 2009
Is there a simple way to cancel all active timeouts without the need to reference each one individually ?
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Jun 8, 2010
Basically what I want to achieve is a timeout on "over" followed by a subsequent timeout when the timeout is being removed....
I have got as far as:
Code:
function toggleMenu(el, over)
{
if (over) {
setTimeout(Element.addClassName(el, 'over'), 200);
[code]...
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Nov 27, 2002
The problems with the setTimeout and setInterval functions provided in Javascript are twofold. First, you can't call a local object method without losing your scope, and second, you can't pass objects to the function, since the function call is implemented as a string.
The Timer class solves these difficulties by employing a static array to store the parent object and function arguments until the function is called.
This class is provided as-is and pro bono, so go ahead and muck with it if you see things that could be done better.
Thanks to WA for giving me the idea for this (albeit indirectly)!
Updated 4/18/2003: Footprint decreased, minor code improvements.
Updated 5/3/2003: Minor comment clarification; no code changes.
Updated 5/10/2003: Minor code improvements.
// The constructor should be called with
// the parent object (optional, defaults to window).
function Timer(){
this.obj = (arguments.length)?arguments[0]:window;
return this;
}
// The set functions should be called with:
// - The name of the object method (as a string) (required)
// - The millisecond delay (required)
// - Any number of extra arguments, which will all be
// passed to the method when it is evaluated.
Timer.prototype.setInterval = function(func, msec){
var i = Timer.getNew();
var t = Timer.buildCall(this.obj, i, arguments);
Timer.set[i].timer = window.setInterval(t,msec);
return i;
}
Timer.prototype.setTimeout = function(func, msec){
var i = Timer.getNew();
Timer.buildCall(this.obj, i, arguments);
Timer.set[i].timer = window.setTimeout("Timer.callOnce("+i+");",msec);
return i;
}
// The clear functions should be called with
// the return value from the equivalent set function.
Timer.prototype.clearInterval = function(i){
if(!Timer.set[i]) return;
window.clearInterval(Timer.set[i].timer);
Timer.set[i] = null;
}
Timer.prototype.clearTimeout = function(i){
if(!Timer.set[i]) return;
window.clearTimeout(Timer.set[i].timer);
Timer.set[i] = null;
}
// Private data
Timer.set = new Array();
Timer.buildCall = function(obj, i, args){
var t = "";
Timer.set[i] = new Array();
if(obj != window){
Timer.set[i].obj = obj;
t = "Timer.set["+i+"].obj.";
}
t += args[0]+"(";
if(args.length > 2){
Timer.set[i][0] = args[2];
t += "Timer.set["+i+"][0]";
for(var j=1; (j+2)<args.length; j++){
Timer.set[i][j] = args[j+2];
t += ", Timer.set["+i+"]["+j+"]";
}}
t += ");";
Timer.set[i].call = t;
return t;
}
Timer.callOnce = function(i){
if(!Timer.set[i]) return;
eval(Timer.set[i].call);
Timer.set[i] = null;
}
Timer.getNew = function(){
var i = 0;
while(Timer.set[i]) i++;
return i;
}
Here's an example of the code in action:
function Ticker(){
this.count = 0;
this.timer = new Timer(this);
}
Ticker.prototype.tick = function(d){
this.count+=d;
window.status = ""+this.count;
this.timer.setTimeout("tick", 1000, d);
}
window.onload = function(){
var ticker = new Ticker();
ticker.tick(1);
}
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Feb 16, 2007
I'm looking for opinion/facts/arguments on the correct nesting of UL,
OL, & LI elements.
For example, this is what I want (unordered list):
* Item 1
* Item 2
* Item 3
* Item 3a
* Item 3b
* Item 3c
* Item 4
Now, in my markup, I can do (A) or (B), and they both work.
<!-- Markup (A) -->
<ul>
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3</li>
<ul>
<li>Item 3a</li>
<li>Item 3b</li>
<li>Item 3c</li>
</ul>
<li>Item 4</li>
</ul>
<!-- Markup (B) -->
<ul>
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3
<ul>
<li>Item 3a</li>
<li>Item 3b</li>
<li>Item 3c</li>
</ul>
</li>
<li>Item 4</li>
</ul>
Now, I prefer, and think that Markup A, is the better representation
of the data... but... I can't find a spec, that dictates which one is
"officially" correct... (due in part to the fact that in old HTML
days, the closing tags were not needed... thus the confusion as to
"where" that closing tag goes, when nesting)
This gets very interesting in the JS/CSS world, trying to deal with
this...
If I generate Markup A, then get a reference to the LI element for
"Item 3", called say... foo then I ask for foo.followingSibling, in
Mozilla, I get as expected, the UL element, but in IE, I get the LI
for "Item 4"... IE "moves" the UL node, to the .lastChild position of
the preceding LI element.
So, here's the questions...
1.) Which method (by vote, spec or whatever) is correct/better?
Method A or B?
2.) Based on (1), is the IE implementation a Bug, or a Feature?
Mozilla's?
3.) If you want to style the sub items, what CSS would you use for
Method A, or B... or does it matter?
PS I don't expect a unanimous answer to any of these, I'm just trying
to get a feel for how everyone else interprets how Nested Lists are
"supposed" to work.
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Jun 18, 2011
I came across various codes that is used to delay the banner from not loading while the document is loading but i got struck with this one, this one sounds interesting but confusing,
Which page in this code is delaying the banner & how to adjust that (to delay further or to speedup)- [URL]
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Dec 4, 2011
This is really more a IE issue than jquery but I am using jquery.
Has anyone used this setTimeouts method from the IXMLHttpRequest2 object from IE.
I want to monkey path jquery calls with this call below. I tried this and I still get a property method error even though the method seems to be available. Has anyone experienced this?
With this Javascript code, I get this error "Object does not support this property or method" error. I checked that the methods are available and I do a check that the method is there. Am I sending the wrong number of args? Has anyone used this?
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Apr 21, 2010
I have lead out animation when a link on my navigation is clicked that needs to have time to finish before the link has redirected the browser to the new page!
jQuery('#menu > li > ul').click(function() {
jQuery('.stepcarousel').hide();
jQuery(this).fadeOut(2000);
});
The problem is the browser refreshes to the new page before .stepcarosel has had time to fadeOut making the transition jerky
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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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Dec 18, 2010
Im just getting started with jQuery and have successfully made a div "slideUp".I was going to put a long div on the top of a page with a message, show for a few seconds, and then slide up to disappear. I've seen that technique used quite a bit lately.Is there a way I can delay the run of my slideup function? I'd rather it be timed or delayed, than click to close.
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Sep 22, 2011
I have added some custom code to a flash-based CMS, essentially placing an instance of a Cycle plugin on the page with the flash content.
This is a work around, and not ideal, but my question, is there a way to delay the visibility of the plugin (hide it, basically) so that when a visitor first comes to the site they only see the flash intro, and then after x seconds the Cycle plugin fades in and becomes visible on the page? (I've got a regular fade in working properly, by the way. I'd just like to delay the start of the cycle.)
Or is there a way to integrate things more closely with the flash content and create an onclick command that shows/unhides the Cycle instance? I've attached the example code for further insight into my situation.
Attachments
jquery_cycle_flash_example
Size : 5.34 KB
Download : 262
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Dec 1, 2010
On my website I've got a simple animated .gif I want to play each time someone clicks a link on the menu bar. The problem is that while the image changes successfully, the webpage changes too quickly so the animated.gif won't play.
I'm assuming this has something to do with setTimeout though I'm too much of a noob at Java to get this right.
Here is one of the buttons:
<a href="facts.html" onmouseover='facts.src="images/thefactsbutton2.jpg"' onmouseout='facts.src="images/thefactsbutton.jpg"' onclick='top.src="images/chimneytopsm.jpg"'> <img name="facts" src="images/thefactsbutton.jpg" /> </a>
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Jul 25, 2009
In my last row (parent Table) with colspan(tr), I have another Table (without any.attributes) which was generated by GridView, Paging enabled and located in footer ..
How do I know if that Table exists in my last row(parent Table).. this code won't work ..
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Oct 13, 2010
if it's possible to nest tabs inside a scrollable from jQuery Tools. Basically, replacing the page content with a set of tabs. I've tried a few times, and with the jQuery native tabs, there must either be some JS or CSS conflicts that prevent things from working properly.
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Jul 24, 2009
I am trying to make a point and click javascript game. Basically what I want is to have one image displayed on screen at the start (room1.jpg). When you click on a door on that image, I have an onclick event to change the image to a new one that shows the door open (room1_a.jpg). What I want is that when you click the now open door, to display the next room in the game. The only solution I can think of is some sort of nested onclick event using several image maps, but I am fairly new to Javascript and I am not sure if that is possible. What it all comes down to is I want to display each incarnation of each room in the game in the same window without having to reload a new window for each room. I hope that makes sense, if not I can try and clarify. Below is the code I have so far. And as you can see all that does is display the open door when you click on the image. I have not done any of the image mapping yet.
[Code]...
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May 23, 2011
When I load a page into an existing page I think the div's are not nested properly therefore the javascript is not working correctly. What's happening is ALL the div's on the second page are showing. I just need the first div to show then when you click on the <li> element the other div shoes. It works fine when the page loaded by istself. Here is my code:MAIN
PAGE:<
div
id
[code]....
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Aug 20, 2009
I have written a number of functions designed to return frequency data on 1000 randomly chosen numbers using different math functions for the rounding. I would like to include all of these functions within the wrapper of another function so that only one call is needed to get returns from all of the 'inner' functions. However, while each of the functions works in isolation, the moment I wrap them in another function they stop working. :confused:
The following code is one of the functions 'frequencyWrapperOne' that has been wrapped in the function 'testWrapper'. A call to testWrapper does nothing.
function testWrapper()
{
function frequencyWrapperOne()
{
[Code]....
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Apr 23, 2011
$(something).split(something),this is a function with a function as a property for that function.
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Jan 27, 2011
I have several form in my site, that validate on onsubmit.I call all the validation functions from a file call functions.js.Here is a sample of the code that is working:
<form name="contact" action="contact-insert.php method="post" onSubmit="return checkform()">
<label class='SubHeadlbl' for='TextField1'><?php echo IDS_EFORMNAME?><br></label>
<input type='text' name='dfname' class='text_field' id='dfname1' size='70' maxlength='40'/>
</form>
all the other forms are not working. all have the same structure:
<form name="frm1000" action="frm1000-insert.php method="post" onSubmit="return checkform1000()">
<label class='SubHeadlbl' for='TextField1'><?php echo IDS_EFORMNAME?><br></label>
<input type='text' name='dfname' class='text_field' id='dfname1000' size='46' maxlength='40'/>
</form>
I don't know what is happening only one for work all the others don't.
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Jun 1, 2010
I think my brain would have exploded otherwize. Some of the problems have been simple misspellings, but when you have been staring at the same thing for hours it can sorta slip by.Bascially Im not sure if Im using the function command properly. When Submit Details is click it should validate the form and then when Calculate is pressed calculate the form (obviously).I think maybe my var Array table is wrong? And the way the functions are set out doesnt seem it sit right.
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May 1, 2006
Define the function dollarToEuro, which consumes a number of New Zealand dollars and produces the Euro equivalent. The current exchange rate is approximately one New Zealand Dollar to fifty five Euro pence. Code the function in JavaScript. Prompt the user for an amount in New Zealand dollars and display the result.
So far i have done this coding :-
var nzd = Number(prompt("Enter The Amount Of New Zealand Dollars", "10"));
function dollarToEuro(nzdollar)
{
return (50/nzd)
}
document.write(nzd, "NZD =", dollarToEuro, "Euros");
It is not working.
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Aug 2, 2002
How do you handle two functions? For example:
if I have two separate scripts, one that opens a popup window onclick and one that does a tool tip onmouseover, how do I tie them together inline, at the link? And i can put them in the same <script> tags in the head, right?
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Jul 23, 2005
How do I "merge" the two functions below - checkFromDate() and
checkToDate() - so that I only have one function. I want to do the same
validation in both text fields, but only have one function that does all
the validation.
<html>
<head>
<script language="JavaScript">
function checkFromDate() {
var ToFrom = document.form.txtFromDate.value
// Do some other validation...
}
function checkToDate() {
var ToDate = document.form.txtToDate.value
// Do same validation as above...
}
</script>
</head>
<body>
Start Date : <input type="text" name="txtFromDate"
onBlur="checkFromDate()"> yyyy/mm/dd <br>
End Date : <input type="text" name="txtToDate" onBlur="checkToDate()">
yyyy/mm/dd
</body>
</html>
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Jul 23, 2005
I am learning HTML for the first time taking a self teaching class
though my local Community College. Normally this college rocks and has
some of the best resources and down to earth teachers that pick books
that acutally help folks.
Well they failed and my book take more logic jumps that Stephen
Hawkins! :D
So my ultimate question is as follows:
How do I created a function with the following information provided:
Create a fucntion named Mquote that contains the single parameter,
Qnum.
My apologies for such little information. I am sure its my oversight
that I am unable to locate the answer to my question.
What I am looking for is the base layout for noob java functions.
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Oct 25, 2005
I want a function to take another function as a parameter, and execute it as a line of code. I put a simplified example below, just to illustrate the idea. Does anyone know the syntax to do this, or is there perhaps a better approach entirely?
// EXAMPLE
doSomething(5, 10, functionA, functionB);
function doSomething(x, y, myFunctionA, myFunctionB) {
if (x > y) {
myFunctionA();
} else {
myFunctionB();
}
}
function functionA() {
// some code
}
function functionB() {
// some code
}
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