domutils provides a robust set of utility functions for traversing and manipulating DOM (Document Object Model) structures, commonly used in HTML and XML parsing. It offers functionalities like finding elements, testing element properties, and navigating document trees. This package is essential for developers working with HTML parsers like htmlparser2 or XML parsers, simplifying tasks that involve analyzing and modifying document content programmatically. Its lightweight nature and focused API make it a core dependency for numerous projects needing DOM manipulation.