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24.4: Navigating the DOM - Coggle Diagram

- - - - outputs
        
        > true
- - - - outputs
        
        > 3
  - - - returns a HTMLCollection
        
        but can use an array syntax
        
        indices, length, for..of
        
        > sections[0].children[0]
        
        not an array
        
        a collection of Element's
    - - returns the next/previous sibling
        
        in the list of children
      - properties of Element interface
      - this is what you would usually want to work with
    - - returns the next/previous sibling
        
        in the list of children
        
        as a Node
        
        a parent of Element #
        
        not massively useful
      - properties of Node interface