Js two-dimensional array Definition

Source: Internet
Author: User
Tags array definition

1. The two-dimensional array declaration method is as follows:

Var images = new Array (); // declare a dimension first
For (var I = 0; I <10; I ++) {// One-dimensional length is 10
Images [I] = new Array (); // declare a two-dimensional
For (var j = 0; j <20; j ++) {// the two-dimensional length is 20
Images [I] [j] = 1;


2. The second-level array of www.2cto.com should be used like this.

Alert (images [0] [0]); it is really troublesome to declare. first declare the first dimension, and then generate the second dimension cyclically.


From Xu Yue's column

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