Forms provide users with an interface for selecting options and submitting data back to the Web server.

<button> | <fieldset> | <form> | <input> | <isindex> | <label> | <legend> | <option> | <select> | <textarea>

<button>...</button>
Creates a button.
Starting/ending tag	Required/Required
Attributes	Attributes %coreattrs, %i18n, %events name="...": Button name. value="...": Button value. type="...": Button type (button, submit, reset). disabled="...": Sets the button state to disabled. tabindex="...": Defines the tabbing sequence between elements with a tabindex. onfocus="...": Event that occurs when the element receives focus. onblur="...": Event that occurs when the element loses focus.
Empty	No
Example	<form> <button name="submit" type="submit">OK</button> </form>
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<fieldset>...</fieldset>
Group controls
Starting/ending tag	Required/Required
Attributes	Attributes %coreattrs, %i18n, %events
Empty	No
Example	<form> <fieldset width="250"> <legend>Which town do you come from?</legend> <input type="radio" value="Paris">Paris<br> <input type="radio" value="Lyon">Lyon<br> </fieldset> </form>
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<form>...</form>
Creates a form containing controls for saving user input.
Starting/ending tag	Required/Required
Attributes	Attributes %coreattrs, %i18n, %events action="...": URL to server action. enctype="...": MIME type (Internet media type). onsubmit="...": Intrinsic event that occurs when the form is submitted. onreset="...": Intrinsic event that occurs when the form is reset. target="...": determines where the resource will be displayed (user-defined name, _blank, _parent, _self, or _top). accept-charset="...": list of character encodings. method="...": HTTP method.
Empty	No
Example	<form method=GET action="/cgi-bin/mailer"> </form>
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<input>
Defines the controls used in forms
Starting/ending tag	Required/Illegal
Attributes	Attributes %coreattrs, %i18n, %events type="...": Input control type (text, password, checkbox, radio, submit, reset, file, hidden, image, button). name="...": Control name (required except for submit and reset). value="...": Control initial value (required for radio buttons and checkboxes). checked="...": Sets radio buttons to checked state. disabled="...": Disables controls. readonly="...": For password types. size="...": Control width in pixels, except for password and text controls which are specified in number of characters. maxlength="...": Maximum number of characters that can be entered. src="...": Image control type URL. alt="...": An alternative text description. usemap="...": Client-side imagemap URL. tabindex="...": Defines the tabbing order between elements with a tabindex. onfocus="...": Event that occurs when the element receives focus. onblur="...": Event that occurs when the element loses focus. onselect="...": Intrinsic event that occurs when the control is selected. onchange="...": Intrinsic event that occurs when the control is changed. accept="...": File types allowed for download.
Deprecated	Deprecated align="...": Controls alignment (left, center, right, justify).
Empty	Yes
Notes	In XHTML 1.0, this tag should be in the form <input /> to ensure compatibility with older browsers.
Example	<form> <input type="text" name="login" size="20"> </form>
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<isindex>
Prompts the user for input.
Starting/ending tag	Required/Illegal
Attributes	Attributes %coreattrs, %i18n
Deprecated	Deprecated prompt="...": Sets a prompt string for the input field.
Empty	Yes
Notes	In XHTML 1.0, this tag should be in the form <index /> to ensure compatibility with older browsers.
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<label>...</label>
Assigns a label to a control.
Starting/ending tag	Required/Required
Attributes	Attributes %coreattrs, %i18n, %events for="...": Associates a label with an identified control. disabled="...": Disables a control. accesskey="...": Assigns a hotkey to this element. onfocus="...": Event that occurs when the element receives focus. onblur="...": Event that occurs when the element loses focus .
Empty	No
Example	<label for="champs">Fill in this form field</label>
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<legend>...</legend>
Assigns a caption to a group of form components ( fieldset).
Starting/ending tag	Required/Required
Attributes	Attributes %coreattrs, %i18n, %events accesskey="...": Assigns a hotkey to this element.
Deprecated	Deprecated align="...": Controls alignment (left, center, right, justify).
Empty	No
Example	<form> <fieldset width="250"> <legend>Which town do you come from?</legend> <input type="radio" value="Paris">Paris<br> <input type="radio" value="Lyon">Lyon<br> </fieldset> </form>
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<option>...</option>
Specifies choices in a select element.
Starting/ending tag	Required/Optional (HTML) Required/Required (XHTML 1.0).
Attributes	Attributes %coreattrs, %i18n, %events selected="...": Indicates whether the option is selected. disabled="...": Disables the control. value="...": Value submitted if a control is submitted.
Empty	No
Example	<form> <select name="department"> <optionvalue="01">Ain <option value="02">Aisne <option value="03">Allier <option value="04">Alpes de Haute Provence </select> </form>
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<select>...</select>
Creates choices for the user to select.
Starting/ending tag	Required/Optional (HTML) Required/Required (XHTML 1.0).
Attributes	Attributes %coreattrs, %i18n, %events name="...": Element name. size="...": Control width in pixels, except for password and text controls that are specified in number of characters.. multiple="...": Authorizes several selections. disabled="...": Disables the control. tabindex="...": Defines the tabbing sequence between elements with a tabindex. onfocus="...": Event that occurs when the element receives focus. onblur="...": Event that occurs when the element loses focus. onselect="...": Event that occurs when the element is selected. onchange="...": Event that occurs when the control is changed.
Empty	No
Example	<form> <select name="department"> <optionvalue="01">Ain <option value="02">Aisne <option value="03">Allier <option value="04">Alpes de Haute Provence </select> </form>
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<textarea>...</textarea>
Creates an area with multiple lines for user input.
Starting/ending tag	Required/Required
Attributes	Attributes %coreattrs, %i18n, %events name="...": Element name. size="...": Control width in pixels, except for password and text controls that are specified in number of characters. rows="...": Height in number of rows. cols="...": Width in number of columns. disabled="...": Disables the control. readonly="...": Sets the displayed text to read-only state. tabindex="...": Defines the tabbing sequence between elements with a tabindex. onfocus="...": Event that occurs when the element receives focus. onblur="...": Event that occurs when the element loses focus. onselect="...": Event that occurs when the element is selected. onchange="...": Event that occurs when the control is changed.
Empty	No
Notes	The text to be displayed is enclosed between the start and end tags.
Example	<form> <textarea name="comment" rows="20" cols="80">Enter your comment here</textarea> </form>
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