Forms

Forms create an interface for the user to select options and submit data back to the web server.

<button>...</button>

Usage	Creates a button.
Start/End Tag	Required/Required.
Attributes	%coreattrs, %i18n, %events.
	name="..."The button name.
	value="..."The value of the button.
	type="..."The button type (button, submit, reset).
	disabled="..."Sets the button state to disabled.
	tabindex="..."Sets the tabbing order between elements with a defined tabindex.
	onfocus="..."The event that occurs when the element receives focus.
	onblur="..."The event that occurs when the element loses focus.
Empty	No.

<fieldset>...</fieldset>

Usage	Groups related controls.
Start/End Tag	Required/Required.
Attributes	%coreattrs, %i18n, %events.
Empty	No.

<form>...</form>

Usage	Creates a form that holds controls for user input.
Start/End Tag	Required/Required.
Attributes	%coreattrs, %i18n, %events.
	action="..."The URL for the server action.
	enctype="..."Specifies the MIME (Internet media type).
	onsubmit="..."The intrinsic event that occurs when the form is submitted.
	onreset="..."The intrinsic event that occurs when the form is reset.
	target="..."Determines where the resource will be displayed (user-defined name, _blank, _parent, _self, _top).
	accept-charset="..."The list of character encodings.
	method="..."The HTTP method (post or get).
Empty	No.

<input>

Usage	Defines controls used in forms.
Start/End Tag	Required/IllegalSee note for XHTML 1.0 requirements.
Attributes	%coreattrs, %i18n, %events.
	type="..."The type of input control (text, password, checkbox, radio, submit, reset, file, hidden, image, button).
	name="..."The name of the control (required except for submit and reset).
	value="..."The initial value of the control (required for radio and checkboxes).
	checked="..."Sets the radio buttons to a checked state.
	disabled="..."Disables the control.
	readonly="..."For text password types.
	size="..."The width of the control in pixels except for text and password controls, which are specified in number of characters.
	maxlength="..."The maximum number of characters that can be entered.
	src="/books/2/631/1/html/2/..."The URL to an image control type.
	alt="..."An alternative text description.
	usemap="..."The URL to a client-side imagemap.
	tabindex="..."Sets the tabbing order between elements with a defined tabindex.
	onfocus="..."The event that occurs when the element receives focus.
	onblur="..."The 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 upload.
Deprecated	align="..."Controls alignment (left, center, right, justify).
Empty	Yes.
Notes	In XHTML 1.0, this tag should take the XML form of <input /> to ensure compatibility with older browsers.

<isindex>

Usage	Prompts the user for input.
Start/End Tag	Required/IllegalSee note for XHTML 1.0 requirements.
Attributes	%coreattrs, %i18n.
Deprecated	prompt="..."Provides a prompt string for the input field.
Empty	Yes.
Notes	This field is deprecated in favor of actual form controls.

<label>...</label>

Usage	Labels a control.
Start/End Tag	Required/Required.
Attributes	%coreattrs, %i18n, %events.
	for="..."Associates a label with an identified control.
	disabled="..."Disables a control.
	accesskey="..."Assigns a hotkey to this element.
	onfocus="..."The event that occurs when the element receives focus.
	onblur="..."The event that occurs when the element loses focus.
Empty	No.

<legend>...</legend>

Usage	Assigns a caption to a fieldset.
Start/End Tag	Required/Required.
Attributes	%coreattrs, %i18n, %events.
	accesskey="..."Assigns a hotkey to this element.
Deprecated	align="..."Controls alignment (left, center, right, justify).
Empty	No.

<option>...</option>

Usage	Specifies choices in a select element.
Start/End Tag	Required/Optional (HTML); Required/Required (XHTML 1.0).
Attributes	%coreattrs, %i18n, %events.
	selected="..."Specifies whether the option is selected.
	disabled="..."Disables control.
	value="..."The value submitted if a control is submitted.
Empty	No.

<select>...</select>

Usage	Creates choices for the user to select.
Start/End Tag	Required/Required.
Attributes	%coreattrs, %i18n, %events.
	name="..."The name of the element.
	size="..."The width in number of rows.
	multipleAllows multiple selections.
	disabled="..."Disables the control.
	tabindex="..."Sets the tabbing order between elements with a defined tabindex.
	onfocus="..."The event that occurs when the element receives focus.
	onblur="..."The 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.
Empty	No.

<textarea>...</textarea>

Usage	Creates an area for user input with multiple lines.
Start/End Tag	Required/Required.
Attributes	%coreattrs, %i18n, %events.
	name="..."The name of the control.
	rows="..."The width in number of rows.
	cols="..."The height in number of columns.
	disabled="..."Disables the control.
	readonly="..."Sets the displayed text to read-only status.
	tabindex="..."Sets the tabbing order between elements with a defined tabindex.
	onfocus="..."The event that occurs when the element receives focus.
	onblur="..."The 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.
Empty	No.
Notes	Text to be displayed is placed within the start and end tags.