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witherton
witherton
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Why will this code only trace strings?

Jun 23, 2012 7:58 AM

The following code randomizes the array "doors". It works fine if the array is strings. However,

if I remove the quotation marks, it traces "[object Symbol1_1]" instead.

 

var doors:Array = [red_button, blue_button,yellow_button];

var randomDoors:Array = new Array(doors.length);

 

var randomPos:Number = 0;

for (var i:int = 0; i < randomDoors.length; i++)

{

    randomPos = int(Math.random() * doors.length);

    randomDoors[i] = doors.splice(randomPos, 1)[0]; 

}

trace (randomDoors);

 

Tracing (randomDoors.name) returns the  statement "undefined". How can I trace "doors" without converting the elements to strings?

378 Views   3 Replies   Latest reply: kglad, Jun 23, 2012 9:02 AM
 
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  • kglad
    62,117 posts
    Jul 21, 2002
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    1. kglad,
    Jun 23, 2012 8:44 AM   in reply to witherton
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    assuming those doors elements have names, loop through that array and trace each elements name.

     
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  • witherton
    Currently Being Moderated
    2. witherton,
    Jun 23, 2012 8:55 AM   in reply to kglad
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    Thanks for the reply, but I'm not sure what you mean by that.

    I have tried tracing one element at a time with the ".name" appendix and that returns an element of the array without it being in strings.And as I said, if I just put quotation marks around the elements in the "doors" array, then the array works fine.

     

    I'm just a little confused by which array you're talking about and how I should trace it?

     
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  • kglad
    62,117 posts
    Jul 21, 2002
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    3. kglad,
    Jun 23, 2012 9:02 AM   in reply to witherton
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    the array class doesn't have a name property.  when you use trace(randomDoors.name), you're asking flash to find the name property of that array.

     

    so, either use:

     

    for (var i:int = 0; i < randomDoors.length; i++)

    {

    trace(doors[i].name);

    }

     

    or create your own function or class to do what you want so you don't have to repeatedly create a for-loop to trace what you want.

     
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