XML by Example

Figure 7.5: The hierarchy in DOM

A DOM Application

Listing 7.2 is the HTML page for a JavaScript application to convert prices

from U.S. dollars to Euros. The price list is an XML document. The applica-

tion demonstrates how to use DOM.

A slightly modified version of this page (essentially, putting up a better

face) could be used on an electronic shop. International shoppers could

access product prices in their local currency.

Listing 7.2: Currency Conversion HTML Page

<HTML>

<HEAD>

<TITLE>Currency Conversion</TITLE>

<SCRIPT LANGUAGE=”JavaScript” SRC=”conversion.js”></SCRIPT>

</HEAD>

<BODY>

<CENTER>

<FORM ID=”controls”>

File: <INPUT TYPE=”TEXT” NAME=”fname” ...