Actionscript :: Javascript: Explain The Meaning Of :Number After A Function Declaration?
Mar 28, 2012
Remark from editor: Op miss-classified actionscript as javascript.I am new to Javascript and am confused by the following function declarations in ECMAScript.js2.
public class String extends Object {
...
public native function charAt(pos:Number):String;
[code].....
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Similar Posts:
Jun 18, 2010
I've a developer which has given users the ability to download a zip archive which contains an html document which references a relative javascript file and flash document.The flash document accepts as one of it's parameters a url which is embedded in the html document. I believe that this archive is meant to be used as a means to transfer an advertisement to someone who would use the source to display the ad on their site, however the end user appears to want to view it locally.When one opens the html document the flash document is presented and when the user clicks on the flash document it redirects to this embedded url. However, if one extracts the archive on the desktop and opens the html document in a browser and clicks the flash object, nothing observable happens, they will not be redirected to the external url.
I believe this is a security risk because one is transferring from the local computer zone to an external zone.I'm trying to determine the best way to explain this security risk in the simplest of terms to a very end user. They simply believe it's "broken" when it's not broken, they're being protected from a known vulnerability.The developer attempted to explain how to copy the files to a local iis instance, which I highly doubt is running on the users machine, and I do not consider this to be a viable explanation.
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Jun 29, 2010
Use Flash CS5 (and AIR, though this does not seem like it would be AIR related) in Win XP 64 I have a MovieClip symbol in my library with the identifier 'Puzzle10Piece10' with the following actionscript attached to frame 1 of the only layer with the following actionscript:
[Code]...
This runs contrary to my understanding of the pre-compiler and code execution order. In my way of thinking, any reference creation and related memory allocation is made when the object is instantiated, and indeed that allocation, unlike C depends not on code order (declaration before use), though this is an order that would satisfy even the C pre-compiler. If I understand the Flash compiler at all, it's not even a question of 'code order'... the symbol is pre-compiled such that for it to exist... for it to be instantiated, the variable would exist before the function would even be 'available' to be called internally or externally. Is my thinking way off, or is this a bug?
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Jun 23, 2010
Just wondering what's the meaning of ":" (colon symbol) on this Javascript code below? var switchToTarget : Transform;
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Feb 7, 2009
Lets say I want to call a function with an optional Object, how do I write that?If it was a String or a Number or some simple data type it would be:
Code:
function foo(s:String="Sample String", n:Number=100):void{}
But anything I try with an Object just throws an error. For example...
Code:
function foo(o:Object={x:10, b:10}):void{}
...makes the compiler barf, and so does every other version of this I've tried.
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Jul 28, 2009
I am trying to access a function in a MovieClip that has been added to the stage. Right after loading in the function, I create a function that calls the function in the recently added MovieClip. The compiler does not recognize the Function and when I go into debug mode it shows up as null. I've tried declaring the function in the MovieClip using 3 different methods, but I get the same result.
Code:
function Sleep(){
var Sleep = function(){
this.Sleep = function(){
What I find strange is that when I declare the function on the stage, it looks just fine and I can even see it (as a Function object) in the debug panel.
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Dec 12, 2010
private function playSound():void
{
_soundChannel = _soundObj.play();
_soundChannel.addEventListener(Event.SOUND_COMPLETE, nextTrack);
}
<s:Button width="35" label=">>" click="nextTrack();"/>
Assuming the nextSound() function looks the same as playSound, typewise... The button click works fine, but the event listener won't call the function because its sending an argument the function isn't expecting. I can change the nextTrack function to be evt:Event, but then the button is sending not enough arguments, and I can't find anything to type it to that will work. I can make a typed function to call the un-typed nextTrack function from the event listener
public function callnextsong(evt:Event):void{
nextTrack();
}
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Jul 8, 2010
I am refactoring some code. I have a PHP page that contains a MySQL query and stores the result in a PHP variable $my_result. This result is then echoed to a Flash SWF during embedding with SWFObject. I now want to call this PHP page that makes the query from a javascript function like so - one change I have made to the PHP is that instead of storing the result in a variable $my_result I am echoing the result. Javascript function to call the PHP page and make the database query
[Code]....
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Feb 22, 2011
I have an object which is assigned a number of properties:
var project_array:Array = [];
var slideObject:Object = {
project_title : myXML.projects.project[i].title.toUpperCase(),
[Code].....
but I'm not quite sure where to place this. If I place it outside of the object constructor, I get "term is undefined", I guess because it doesn't know what project_clips_array is - but if I declare project_clips_array in the constructor, it appears to need to be defined, i.e. I can't create a blank property. But I can't place it in the constructor either, because it doesn't seem to allow me to run a function within an object constructor. What is the proper syntax or arrangement of code for executing this function to get the array within the object?
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Aug 9, 2005
my functions in this fla i have. I use the function to create a random number and the char move accordingly depending on the number.
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May 20, 2011
Here's the challenge: I have a Flash movie which will be embedded in a page using an unknown DOM ID that I want to be able to identify/store for callback in a JS function. My ideal user flow would be: User clicks button in Flash. Flash pauses any animations / video / sounds / etc. Flash calls an injected JS function to display a page-covering overlay experience. When user closes overlay experience, a callback method on the Flash object is called. Flash resumes playback.
The problem is, when AS3 uses the ExternalInterface.call("functionName", args...) method, there doesn't seem to be a DOM event triggered, and thus it is impossible to tell which object called a JS function, so having a "registerMe()" function doesn't seem to work. Basically, the injected JS function has no way to determine which DOM object to call, because the ID of the Flash object is unknown.
[Code]...
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Apr 16, 2009
I'd like to call a javascript function from an embedded .swf file. Specifically, I'd like to call a function in one of my externally linked javascript files from within: function loadTrack(){
[Code]...
which is in an .as file which I assume somehow becomes the swf file. How would I go about this and 're-compile' the .as file?
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Feb 29, 2012
let suppose i have a object named "data" which has a callBack function named "closeItem" which does something. So i have flash file which has a close button. on click of that i am calling this function which closes this item. So issue is? If i pass this "closeItemFunction" as global function this works fine. but if a pass this function as a "data.closeItem" this doesn;t work throwing some falsh error. so i just wanna ask that "does flash only call gobal scoped javascript function" ??
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Oct 15, 2009
explain in very very basic terms (or direct me to tutorial) what is happening in this syntax:
[code]...
this was part of and example on how to optimist code (posted in this forum awhile ago), specifically for replacing either:
[code]...
I understand how the brackets work, and that X is a variable (I presume a Number).
I assume that '^' == 'to the power of'.
I dont understand why they are using >> or 31 at all.
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Mar 21, 2011
On the following language reference page [URL] the word Beta is associated with the AnimatorFactoryBase class. Can one presume that the class is not yet fully functional?When I right click on a functional motion tween in Flash and select "Copy Motion as Actionscript 3.0", the code does NOT work at all (no errors though).
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Apr 3, 2011
Here's what that custom class reports (I can't make out where the bold lines come from -- no such thing on the stage or anywhere else in my document):[code].....
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Oct 28, 2011
From what I have gathered, _rotation uses radians?Basically, my initial goal was to make a movieclip rotate towards the mouse. I'm not very good at trigonometry.Using the help files I found atan2 which seemed to be what I needed. A little fiddling got me to this code:
var xDist:Number;
var yDist:Number;
var angle:Number;
onMouseMove = function () {
[code].....
However,the _rotation is opposite what is expected. This is not a problem as I can just flip the movieclip. But really what im here to ask is, please ecplain this code for me? I don't correctly understand how atan2 works.. and why it needs to be *60.Basically: How to get a movieclip to rotate towards the mouse.. and why does the code work, I want to learn trigonometry.
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Nov 2, 2010
XFL is the new uncompressed ADOBE FLASH (CS5) source file, it consists from XML definitions, most of them are clear but unfortunately, the important one are strange. Looking to various existing sources, I can see shape's EDGE definitions like:
[Code]...
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Jan 25, 2012
I was wondering if there is any easy tool to use in order to create a start up video? I know there is the Adobe After Effect option, which is extremely expansive.
any tool that allows you to create an animation, easily? for a startup site, a video that explains what the startup do?
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Apr 6, 2010
I am doing a project on an interactive website that contains flash animations. I have to incorporate a voice that explains what is happening in the animations. I am using my own voice for this. I have recorded my voice and saved it as .mp3 files. between each animation there are about 6-10 audio files. I am pretty sure I can import the sounds into the flash library and drag the sounds on the timeline and sync the sound with the animations that way but is it possible to control the sound using actionscript as I have to incorporate buttons that allows the user to play, pause and stop the animation and the audio. Or can I only use actionscript to achieve this.
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Dec 10, 2011
I have a software project, which involves complex process and calculation. Rather than writing it's logic and business flow in a document, i want it to be explained in some sort of animation visually, which would be easier for some one new to my project.
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Nov 14, 2011
I'm using this code to call a actionscript 3 function through javascript
[URL}
and I want to call the acrionscript 3 function from a javascript function, but not on a button action.
actionscript code:
//call to javascript
ExternalInterface.call("sendToJavaScript");
//call from javascript
[Code]....
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Jan 4, 2007
I have this code in my application...
Code:
var returned:Number = ExternalInterface.call("returnEntryCount");
nInterval = setInterval(upTo, 1000, returned);
"returned" is simply a number (integer to be precise)... but when I run my app I get this error:
Code:Type mismatch in assignment statement: found Object where Number is required.
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Dec 15, 2011
In ActionScript 1 and 2, if you compare undefined, null or NaN with an arbitrary number using >= or <= operator, the result is always true. Test code:
var x, n, range = 1000;
for (var i = 0; i < 3; ++i) {
switch (i) {
case 0:
x = undefined;
[Code] .....
Furthermore, isNaN(null) return true. These are contrary to JavaScript and may not conform with ECMA standard.
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Nov 1, 2011
I have colour values from a Flash application that are ARGB format(A being the alpha/transparency value). I have to convert that long decimal number to a RGB/Hexadecimal number in Javascript. Do you know how I can extract the individual R, G, B & A values from a long(8 digit) number? Here's my function which converts a number to hexadecimal BUT its not good enough because it needs to convert the values individually(R,G,B,A):
[Code]....
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Sep 22, 2010
There are three modes to link an SWC library to a flex application: "Merged into code", "External" and "RSL". I understand what is "RSL", but I don't understand what is "External"."RSL" works just fine for me, without any code changes. However, External doesn't work for me. Although my application starts, the classes in the SWC set to External are never found.What is the meaning of "External" if it is not "RSL" ? How do I make use of that ?
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May 20, 2009
this should be easy, but I can't figure it. How do I get an XML declaration in AS3? I need to get any encoding= parameter. For example this XML:
<?xml version="1.0" encoding="UTF-8"?>
<some>
<thing>...</thing>
</some>
It's XML text that loads externally from a URL using URLLoader. I create the XML object by doing var xml:XML = new XML(evt.target.data) upon load complete. I've tried XML.ignoreProcessingInstructions = false and no effect. xml.children()[0] is the first node, not the declaration. Do I need to manually parse the raw string data that is returned from URLLoader?
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Jun 5, 2009
I'm currently working on a project where I'm having to deal with a lot of different variables and am wondering if there would be a way to cut down on my declaration ones (there are currently 152 variables dedicated to one small portion of the project.)What I have is a type, which has some subtypes(4), which have even more subtypes(subtype 1a-c: 7 types, subtype 1d: 13), which have yet another set of subtypes(which are basically subtype 1a-c's + few more, and are all applied to subtype 1d.)
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Dec 31, 2009
ActionScript Code:
mc.addEventListener(MouseEvent.CLICK,clic);
function clic(evt:MouseEvent){
var clip:MovieClip=evt.target as MovieClip;
removeChild(clip);
}
1) Why it's also possible write removeChild(DisplayObject(clip)) and for what? In which case it's necessary?
2) if I write var clip=evt.target it's works too but if I write var clip:MovieClip=evt.target it doesn't work. Why? It's a movieClip that should go in the variable var.
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Sep 8, 2010
I'm having trouble reading an XMLDocument object that has an xml declaration. When I try to trace the first child of the document I get nothing. I've run into this before but it wasn't a problem because previously I was in control of the format of the xml, so it was no problem to just not have an xml declaration, but for this project I don't have that control.
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