Manipulating 2d Arrays - Codehs 8.1.5

for (var i = 0; i < arrayName.length; i++) { arrayName[i].push(newValue); } For example:

Before we dive into the specifics of manipulating 2D arrays, let's quickly review what they are. A 2D array, also known as a matrix, is an array of arrays. It's a data structure that stores data in a tabular form, with rows and columns. Each element in a 2D array is identified by its row and column index. Codehs 8.1.5 Manipulating 2d Arrays

In CodeHS, you can declare and initialize a 2D array using the following syntax: for (var i = 0; i &lt; arrayName