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Child Quote by Ryan Mitchell

“children are always exactly one tag below a parent, whereas descendants can be at any level in the tree below a parent.” quote by Ryan Mitchell
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““children are always exactly one tag below a parent, whereas descendants can be at any level in the tree below a parent.””

Ryan Mitchell

About This Quote

Source Article: Understanding the DOM Tree, 2020

Children are immediate descendants, while descendants can be deeper in the hierarchy.

In simple terms: Children are one level down; descendants can be many levels down.

Key Takeaway

Recognize the difference when navigating or manipulating trees.

Themes

programming web development data structures

Mood

technical analytical

Type

educational informational

When to use this quote

  • DOM manipulation
  • CSS selectors
  • JavaScript queries
  • XML processing

Key Concepts

hierarchy parent-child relationships tree traversal

Questions to Reflect On

  • How does this affect performance of queries?
  • When would you need to consider deeper descendants?
A Different Perspective

Only works for tree structures; not applicable to graph models.

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