Core Servlets and JavaServer Pages™

A.16. Using HTML Forms

The FORM Element

• Usual form:

  <FORM ACTION="URL" ...> ... </FORM>
  

• Attributes: ACTION (required), METHOD, ENCTYPE, TARGET, ONSUBMIT, ONRESET, ACCEPT, ACCEPT-CHARSET

Textfields

• Usual form:

  <INPUT TYPE="TEXT" NAME="..." ...> (no end tag)

• Attributes: NAME (required), VALUE, SIZE, MAXLENGTH, ONCHANGE, ONSELECT, ONFOCUS, ONBLUR, ONKEYDOWN, ONKEYPRESS, ONKEYUP

• Different browsers have different rules regarding the situations where pressing Enter in a textfield submits the form. So, include a button or image map that submits the form explicitly.

Password Fields

• Usual form:

  <INPUT TYPE="PASSWORD" NAME="..." ...> (no end tag)

• Attributes: NAME (required), VALUE, SIZE, MAXLENGTH, ONCHANGE, ONSELECT, ONFOCUS, ONBLUR, ONKEYDOWN, ONKEYPRESS ...