To kick things off, here's a basic example of a multidimensional array, also known as an array of arrays:
This code snippet represents a simple 3x3 matrix, a perfect starting point for our journey.
Here's an example of a 2D array that models a chessboard:
Each inner array represents a row on the chessboard, with individual pieces denoted by letters.
Inserting a new sub-array into an existing multidimensional array can be done using the
push method if you want to add it at the end of the outer array:
twoDimArray has a new row, making it
[[1, 2], [3, 4], [5, 6]].
With this, we've added a new pair of colors to our collection, expanding the
colors array to include three sub-arrays.
This loop creates a 3x3 grid with values that are the product of their row and column indices.
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