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March 25, 2000 DOM-Based Document Manipulation  Tips: March 2000
Yehuda Shiran, Ph.D.
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The simplest way to modify a document
is to change its DOM's properties and attributes. The Document Object Model includes
two relevant properties you can use: data
and nodeValue.
These properties are only used to modify the content of text nodes. Both properties
are set to the text node's value and are fully interchangeable. Here's an example:
Let's focus on the first text node,
The same effect can be achieved by:
The HTML language lets you assign
attributes to any element. However, some attributes carry certain semantics
with them. The IMG's SRC attribute, for example, specifies the GIF file that
the browser should display. The Document Object Model lets you modify such attributes,
and thus manipulate the page. Let's change the GIF on the above page by modifying
the
Notice that all attributes are lowercase, regardless of their case in the corresponding HTML statement. For example, the Learn more about our DOM-based programming in Column 43, The Document Object Model (DOM), Part 4.
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