DOM Structure

• A DOM Document is a hierarchy (tree) of nodes
• The following XML file:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ORDERS SYSTEM "orders.dtd">
<orders>
  <order>
    <customerid limit="1000">12341</customerid>
    <status>pending</status>
    <item instock="Y" itemid="SA15">
      <name>Silver Show Saddle, 16 inch</name>
      <price>825.00</price>
      <qty>1</qty>
    </item>
    <item instock="N" itemid="C49">
      <name>Premium Cinch</name>
      <price>49.00</price>
      <qty>1</qty>
    </item>
  </order>
  <order>
    <customerid limit="150">251222</customerid>
    <status>pending</status>
    <item instock="Y" itemid="WB78">
      <name>Winter Blanket (78 inch)</name>
      <price>20</price>
      <qty>10</qty>
    </item>
  </order>
</orders>

• Is represented by a tree like:

• Notice all the text nodes. They are there because there is whitespace in between all tags.