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Example 10.9:
The Object Hierarchy
The radio Object
The radio object has these properties:
- checked: The state of a checkbox or option button (radio button).
- defaultChecked: The default state of a checkbox or option button (radio button).
- length: The number of buttons in the set.
- name: The name (the NAME= attribute) in the tag.
- value: The VALUE= attribute in the tag.
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