ActionScript 3.0 :: Array.length Not Refreshing
May 7, 2011
I've got some coding to create buttons into an array, and on press of these buttons the function should remove something from another array and remove the last one of the line, so far the coding is working for the first removal, however thereafter the other buttons stay there I think it's to do with the line in bold but I cant put my finger on what's wrong with it! The trace's I've set look plausible...
function removeList (event:MouseEvent):void{
myArray.splice(0,1);
list_text.text=myArray.join("");
[Code].....
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Similar Posts:
Mar 9, 2011
Let's say I have array foo and a positive integer y, where foo.length > y.I want to remove elements from foo so that foo.length becomes y (or very close to it).Also, I need to preserve the first and last element of foo. The indices of the removed elements must be spaced apart as equally as possible. Foo can be sliced, or it can be used to create a new array.
Example: if foo = [a,b,c,d,e,f,g,1,2,3,4,5] and y = 6, then trimmedfoo could be [a,c,e,g,2,4,5] or maybe [a,c,e,2,4,5], but not [a,c,e,g,2,4] because the last element of foo is missing.
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Dec 16, 2004
I am trying to get the length of arrays within an array, here is my example (MX 2004):
[Code]...
I get an output of of 3. the number of variables within the first array, this is not what I had expedted.
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Oct 8, 2009
I'm using the .unshift method therefore the newest values go into [0] and the rest are pushed down.
What is a good method to remove a value from an array once it has passed a certain length? For example i only want my array to hold 5 values.
Also, is there a method for clearing the entire array, ie removing all values? Or will i have to manually change all the values with a loop?
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Jun 7, 2010
im trying to use array.length to get the total indexs of the array, before running a loop on all of thoes indexs when i attempt to do this(i added a few extra things for the sake of debugging and understanding)
ActionScript Code:
var selectcharacternames:URLVariables = new URLVariables(evt.target.data);
trace(selectcharacternames)[code]....
does array.length not work with url variables is it possible to turn url variables into a array(im assuming it is not a array as a reason why this doesnt work)
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Apr 21, 2005
I have 2 arrays:
Array 1 = [1,3,5,7,9,10];
Array 2 = [5,7,10];
Now, I wanted to create a new Array the is the same as the length of Array 1. The output should look like this:
New Array = [0,0,5,7,0,10];
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Aug 7, 2009
this problem is blowing my mind i have a for loop that i want to go through my entire array but it seems to not be counting the last element in the arraay!
Code:
for(var i:int=0; i<gridControl.game.blockG.length; i++){
trace(i +" "+gridControl.game.blockG.length);
}
and the last line of code it spits out is "83 84" meaning that there are 84 items in the array but it only ran through to 83...i dont understand why its doing this.
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Oct 27, 2009
I need a way to read the length of my array, automatically create that many frames in the main.fla and read each screen from my array and display it accordingly on each frame. How to do this?
E.g.. In A.xml, I calculated 10 screens, so Ii need to create 10 frames for A.xml....and in my B.xml, I have 25 screens, there Iit should create 25 frames.
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Jul 27, 2011
I like to use array.length in my for loop to keep my code cleaner to read. Is there any huge downside to this? For example will it speed up things greatly if i store the length in a var one time?
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Mar 13, 2011
I am trying to get the length of an array through mxml (not actionscript). I have the following:
<s:Application
xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
[Code].....
Why does test2 show the correct array length but test1 is stale?
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Mar 14, 2011
I am unable to get the length of the array.[code]...
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Oct 15, 2011
I want to create an array which at first stores nothing until data is pulled from a db.This works fine for when there is only a single column index like:
arr1 = new Array();
arr1 = [
["a1"],
[code]......
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Jun 22, 2004
How can I find out the length of the second dimension in a multidimensional array?
this is not working:
Code:
trace(my_array[i].length);
(i being a number incremented by a for-loop (starting at 0 of course))
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Feb 25, 2006
How would I go about checking the length of a sub array? If I have a code like this:
ActionScript Code:
a = [["a0","a1", "a2", "a3","a4","a5"],
["a0","a1"]];
and I wanted to check the length of the second subarray (the answer would be 2) what would the syntax be?
Edit: the title should obviously be Multidimentional.
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Mar 6, 2006
As we have in other languages like C, Java that once we define the length of an array we cannot assign any value to the array beyond it's length.[code]This kind of stuff is not possible in C and Java.However AS2.0 calmly accepts the value and increments the length of ii (array) from 3 to 5.Is there any means to restrict the array to accept only particular number of data.
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May 14, 2009
I want to know the length of a xml. From a xml file I can make it work. In this case it's a database that generates the xml. So it is a URL, not a Xml. How can I make this work?
Code:
// loading xml //
url_xml.onLoad = function() {
// this is the array I need from the URL //
var array1:Array = url_xml;
[code]....
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Feb 1, 2012
I have this code working which has an XML file. This is the code for XML menu(no drop down) for website , i am working on, but i wonder when i traced the value of both arr2 & arr1 it returns 0, although i pushed the value.[code]
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Dec 16, 2004
I am trying to get the length of arrays within an array, here is my example (MX 2004):
this.menu.o= ["option1","","container"],["option2","","container"];
context="o";
trace(this.menu[context].length);
I get an output of of 3. the number of variables within the first array, this is not what I had expected.
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Mar 20, 2009
I have an array which contains strings. I need to sort the array by the length of the string - longest string first.
e.g. if
myArray[0] = "xxx";
myArray[1] = "x";
myArray[2] = "xxxxxxx";
[Code].....
but it didn't work. I guess length is not a property of each array element.
By the way, the array is already large (270,000 elements) - so I need the sort to work very fast, and I don't want to be adding anything else into the array.
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Oct 14, 2009
I have a question i need to get the length of an array but outside the onLoad()
here is my code:
var O:XML = new XML();O.ignoreWhite = true;O.onLoad = function(success) {
var photos:Array = this.firstChild.childNodes; _root.PanelH = photos.length*200; trace(PanelH);};trace(PanelH);O.load("VideosBank.xml");
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Sep 14, 2004
How do you find the length of an Associative Array? The standard "arrayName.length" returns 0.
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Mar 15, 2005
How do I set the width of the array and length and set each of the values in it to the same number. This is for a game I am working on. I know you use for loops to find the x and y of the values... This doesn't work, but think its how it suppose to work.
Code:
_global.ymap = 4;
_global.xmap = 4;
for (y=0; y<_global.ymap; y++) {
for (x=0; x<_global.xmap; x++) {
_global.map[y][x] = 1;
}} trace(_global.map[4][4]);
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Jun 11, 2008
I am attaching mc's from the library using xml to populate the textfields. What I am wanting to do is show the first six mc's, then after say 10 seconds show the next six. With a text field displaying "1 of 3", after 10 seconds, "2 of 3" ....etc. A bit similar to image galleries really (sorry if I haven't explained this very well).Anyhoo, heres what I have so far, it loads the mc's one after each other:
Code:
import mx.transitions.Tween;
import mx.transitions.easing.*;
[code].....
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Jan 11, 2010
Does anyone know how to sort an array based on the length of the instance name?
I have an array full of instance names and they are different lengths. I need them to sort based on the number of chars.
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Apr 21, 2011
I wondered if anyone that uses multidimensional arrays can tell me how to get an array length value for each 'layer' of data.[code]
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May 21, 2009
it would seem (and I guess I read Senocular's thing on this ages ago, but never really believed it)...
Code:
var a:Array = [];
a[0] = "a";
a[1] = "b";[code].....
But make it sparse and it all goes to hell... i.e. if a[0] isn't defined, cases where you're using it as a piece of useful information, there's no guarantee they'll spit out in the same order.On the other hand, if you make it an object, you can't get its length.Does anyone know an elegant way to poll an Array for the number of occupied addresses, and allow it to for/each or for/as in the right order? In PHP it's as easy as count() and foreach(... as $k=>$v). While the latter doesn't do much good for associative arrays, it always works in order on numerical arrays, whether sparse or not...
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Apr 9, 2010
I'm trying to parse an XML file and create an object array from its data. The data is converted to MediaAlbum classes (class of my own). The XML is parsed correctly and the object is loaded, but when I instantiate it, the Albums array is of zero length, even when the data is loaded correctly.I don't really know what the problem could be
import Nem.Media.*;
var mg:MediaGallery = new MediaGallery("test.xml");
trace(mg.Albums.length);
[code].....
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Feb 24, 2012
I'm using an AS3 class that is:
package {
public class PeopleInfo {
public var elements:int;
[code]....
I'm getting a run-time error: Error #1009: Cannot access a property of method of a null object reference referring to the for loop's first line dataWriteToDB.PeopleName since it is NULL. I'm guessing the problem here is that while dataWriteToDB is declared initially, the array lengths for the arrays in PeopleInfo class have not been set yet. Or, not sure otherwise why it's NULL.
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Feb 7, 2010
This is my first time posting to a forum as I have been unable to find the solution to this problem. I am receiving an array from a php script in this manner[code]...
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Mar 2, 2011
I have a string whose length may vary but will always be divisible by 3 and want to push every three characters to an array.
e.g.
var myString = "000111000111";
//magic code converts
[code]......
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