What Is a FORM Tag/Element


What Is a FORM Tag/Element? - XHTML 1.0 Tutorials - Understanding Forms and Input Fields

✍: FYIcenter.com


A "form" element is a block element that you can use to define an input form with input fields. Here are basic rules about a "form" element:

  • "form" elements are block elements.
  • A "form" element can have empty content.
  • A "form" element can have block elements as sub-elements.
  • A "form" element can not have inline elements as sub-elements.
  • A "form" element can not have text as content.
  • A "form" element can not be nested in another "form" element.
  • A "form" element is invisible in browsers.
  • A "form" element has a required attribute called "action" specifing the URL of the form processing program.

Here is a simple example of a "form" element:

<?xml version="1.0" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  <title>Simple Form</title>
  <h4>Online Survey</h4>
  <form action=""><p>
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   <input type="submit" value="OK"/>

If you save the above document as simple_form.html, and view it with Internet Explorer, you will see an OK button which is part of a simple form as shown below:
            Simple Form

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