What is the html root node?

青灯夜游

Release： 2023-01-06 11:17:28

Original

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htmlThe root node is the "" node. The "" tag tells the browser that this is an HTML document. It is the outermost element in the HTML document, that is, the root element. The html tag is a container for all other HTML elements except the "" tag.

What is the html root node?

The operating environment of this tutorial: Windows 7 system, HTML5 version, Dell G3 computer.

htmlThe root node is the "" node.

HTML DOM Node Tree

HTML DOM treats HTML documents as a tree structure. This structure is called a node tree:

What is the html root node?

Default HTML snippet

<html>
  <head>
    <title>DOM节点</title>
  </head>
  <body>
    <h1>DOM节点</h1>
    <p>Hello world!</p>
  </body>
</html>

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From the HTML above:

# The

## node has no parent node; it is the root node. The
# tag tells the browser that this is an HTML document. The tag is the outermost element in an HTML document. The tag is a container for all other HTML elements (except the tag).
The parent node of and is the node
The text node "Hello world!" The parent node is the
node

and:

The node has two child nodes: and < ;body>
node has one child node: node<p></p>
node also has one Child node: Text node "DOM Tutorial"<p></p>
and

nodes are sibling nodes and are also child nodes of

And:

element is the first child node of the element
element

The element is the first child node of the element

element is the last child node of the

html video tutorial

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