XHTML Forms

XHTML Forms

Forms create an interface for the user to select options, enter information, and return data to the Web server for processing.

<button>…</button>

Usage	Creates a button.
Start/End Tag	Required/Required.
Attributes	core, i18n, events. name="name" The button name. value="value" The value of the button. type="type" The button type (button, submit, reset). disabled="disabled" Sets the button state to disabled. onfocus="eventcode" The event that occurs when the element receives focus. onblur="eventcode" The event that occurs when the element loses focus.
Empty	No.

<fieldset>…</fieldset>

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

<form>…</form>

Usage	Creates a form that holds controls for user input.
Start/End Tag	Required/Required.
Attributes	core, i18n, events. action="actionurl" The URL for the server action. method="post/get" The HTTP method (get, post). get is deprecated. enctype="mediatype" Specifies the MIME (Internet media) type. onsubmit="eventcode" The intrinsic event that occurs when the form is submitted. onreset="eventcode" The intrinsic event that occurs when the form is reset. accept="contenttypes" The list of content types acceptable by the server. accept-charset="encodings" The list of character encodings.
Empty	No.

<input />

Usage	Defines controls used in forms.
Start/End Tag	Required/Illegal.
Attributes	core, i18n, events. type="controltype" The type of input control (text, password, checkbox, radio, submit, reset, file, hidden, image, button). name="name" The name of the control (required except for submit and reset). value="value" The initial value of the control (required for radio and check boxes). checked="checked" Sets the radio buttons to a checked state. disabled="disabled" Disables the control. readonly="readonly" For text password types. size="size" The width of the control in pixels except for text and password controls, which are specified in number of characters. maxlength="maxlength" The maximum number of characters that can be entered. src="imageurl" The URL to an image control type. alt="alttext" An alternative text description. usemap="mapurl" The URL to a client-side imagemap. onfocus="eventcode" The event that occurs when the element receives focus. onblur="eventcode" The event that occurs when the element loses focus. onselect="eventcode" An intrinsic event that occurs when the control is selected. onchange="eventcode" An intrinsic event that occurs when the control is changed. accept="filetypes" File types allowed for upload.
Empty	Yes.

<label>…</label>

Usage	Labels a control.
Start/End Tag	Required/Required.
Attributes	core, i18n, events. for="control" Associates a label with an identified control. onfocus="eventcode" The event that occurs when the element receives focus. onblur="eventcode" 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	core, i18n, events.
Empty	No.

<optgroup>…</optgroup>

Usage	Used to group form elements within a <select> element.
Start/End Tag	Required/Required.
Attributes	core, i18n, events. disabled="disabled" Not used. label="label" Defines a group label.
Empty	No.

<option>…</option>

Usage	Specifies choices in a <select> element.
Start/End Tag	Required/Optional.
Attributes	core, i18n, events. selected="selected" Specifies whether the option is selected. disabled="disabled" Disables control. label="label" Defines a label for the group of options. value="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	core, i18n, events. name="name" The name of the element. size="size" The width in number of rows. multiple="multiple" Allows multiple selections. disabled="disabled" Disables the control. onfocus="eventcode" The event that occurs when the element receives focus. onblur="eventcode" The event that occurs when the element loses focus. onselect="eventcode" An intrinsic event that occurs when the control is selected. onchange="eventcode" An 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	core, i18n, events. name="name" The name of the control. rows="numrows" The width in number of rows. cols="numcols" The height in number of columns. disabled="disabled" Disables the control. readonly="readonly" Sets the displayed text to read-only status. onfocus="eventcode" The event that occurs when the element receives focus. onblur="eventcode" The event that occurs when the element loses focus. onselect="eventcode" An intrinsic event that occurs when the control is selected. onchange="eventcode" An intrinsic event that occurs when the control is changed.
Empty	No.
Notes	Text to be displayed is placed within the start and end tags.