# Conversion of an array into two-dimensional in a calendar in JavaScript

In the previous lesson, we made an array filled on the right and left with empty strings. Let's now convert this array into a two-dimensional one. Let's make the following chunk function for this:

`function chunk(arr, n) { // n - a number of elements in subarray }`

You can use our function like this:

`let res = chunk(normalize(arr, firstWeekDay, 6 - lastWeekDay), 7)); console.log(res);`

Implement the described function `chunk` and check its operation.

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