AS3: Create 2dimension array

Question

I'm trying to create a very simple 2d array in ActionScript 3.0

var arr:Array = new Array();

arr[0][0] = "Hello";
arr[0][1] = "Ali";

trace(arr[0][0]);
trace(arr[0][1]);

But below error has comes up :

A term is undefined and has no properties.

Please tell me what am i doing wrong.

Christophe Herreman · Accepted Answer · 2013-08-23 08:59:52Z

4

You have to add an extra array for the first dimension:

arr[0] = [];
arr[0][0] = "Hello";
arr[0][1] = "Ali";

answered Aug 23, 2013 at 8:59

Christophe Herreman

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4 Comments

Hamed Kamrava Over a year ago

Thank you. It works like a charm. Please explain about this part arr[0] = [] i can't understand it.

rid Over a year ago

@HamedKamrava, at position 0, the array now contains another array ([] is similar to new Array()). So you have an array of arrays.

Vesper Over a year ago

A multidimensional array is an array of arrays, a nested structure. You need to create intermittent layer objects to make a multidimensional array.

tatactic Over a year ago

Take a look at : "ActionScript 3 fundamentals: Arrays" on Adobe website adobe.com/devnet/actionscript/learning/as3-fundamentals/… Hope it will be helpful.

Community · Accepted Answer · 2017-05-23 11:50:27Z

2

This line:

 var arr:Array = new Array([3], [3]);

Is creating an array containing two arrays, each of which has one element containing the number 3. That means that when you get to the third iteration multiArr[i] is undefined. This is clearly a misunderstanding of how to define arrays in AS31

SO YOU JUST REFER THIS LINK

Problem with 2d Array in AS3

edited May 23, 2017 at 11:50

CommunityBot

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answered Aug 23, 2013 at 9:02

Deepika C P

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