Namespace Arrays

Contains helpers to work with the JS built-in Array data type.

Due to historical reasons and backwards compatibility considerations, Arrays in JS lacks API consistency, and some operations might not be intuitive enough. This module may help you to cope with them.

API conventions

Unless otherwise noted,

• all the array index parameters of BidirectionalIndex are bidirectional, meaning that you can use negative numbers to access array from the end.
• all the methods treat arrays with empty slots (or "sparse arrays") as if the empty slots are all filled with undefined. This is consistent with how the newer Array APIs are handling the empty slots.