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(UPI) Chapter 9: Understanding the Document Object Model (DOM) with JavaScript

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Nodes

Nodes

When loading into the browser, the HTML document is broken down into a tree of nodes. For example, consider the following HTML snippet:

<div id="exampleDiv">This is an<br>example HTML snippet.</div>

Through the DOM, JavaScript sees this snippet as four nodes:

  1. Div Node:
    • The <div> from its start tag through its end tag is one node.
    • This ...