HTML and CSS Reference
In-Depth Information
sessiOn 14.1 visual Overview
article
An
element node
is a
node that matches an
HTML element in the
source document.
h1
h2
h3
Articles of the
Constitution
Article I: The
Legislative Branch
Section 1:
The Legislature
A
text no
de
is a node
that match
e
s a text
string contained
within an element.
A
node
represents any object within a
Web page or Web browser; the nodes
are organized in a hierarchical
structure called a
node tree
.