A Map in JavaScript is a collection of key-value pairs where each key is unique. It provides an efficient way to associate data, making it easy to retrieve values based on their corresponding keys.

Lightweight and context-free key-value maps Objects in JavaScript have been traditionally used as associative arrays to associate keys with values. Unfortunately, these kinds of object maps can only ...

In the callback you have the key, the value, and the position in the document in form of a JSON Pointer string for each node in the document.You can do all kinds of calculations on these. If the node ...