HTML DOM Nodes
In the DOM, everything in an HTML document is a node.
According to the DOM, everything in an HTML document is a node.
The DOM says:
entire document is a document node
- Every HTML tag is an element node
- The text in the HTML elements are text
- Every HTML attribute is an attribute node
- Comments are comment nodes
Look at the following HTML document:
<h1>DOM Lesson one</h1>
The root node in the HTML above is <html>. All other nodes in the document
are contained within <html>.
The <html> node has two child nodes; <head> and <body>.
The <head> node holds a <title> node. The <body> node holds a <h1> and <p>
Text is Always Stored in Text Nodes
A common error in DOM processing is to expect an element node to contain
However, the text of an element node is stored in a text node.
In this example: <title>DOM Tutorial</title>, the element node
<title>, holds a text node with the value "DOM Tutorial".
"DOM Tutorial" is not the value of the <title> element!
However, in the HTML DOM the value of the text node can be accessed by the
You can read more about the innerHTML property in a later chapter.
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