javascript（七）－－其它HTML DOM对象

Anchor

The Anchor object represents an HTML hyperlink.

For each tag in an HTML document, an Anchor object is created.

An anchor allows you to create a link to another document (with the href attribute), or to a different point in the same document (with the name attribute).

You can access an anchor by using getElementById(), or by searching through the anchors collection property of the Document object.

Property	Description	W3C
charset	Sets or returns the value of the charset attribute of a link	Yes
href	Sets or returns the value of the href attribute of a link	Yes
hreflang	Sets or returns the value of the hreflang attribute of a link	Yes
name	Sets or returns the value of the name attribute of a link	Yes
rel	Sets or returns the value of the rel attribute of a link	Yes
rev	Sets or returns the value of the rev attribute of a link	Yes
target	Sets or returns the value of the target attribute of a link	Yes
type	Sets or returns the value of the type attribute of a link	Yes

Area

The Area object represents an area inside an HTML image-map (an image-map is an image with clickable areas).

For each tag in an HTML document, an Area object is created.

Property	Description	W3C
alt	Sets or returns the value of the alt attribute of an area	Yes
coords	Sets or returns the value of the coords attribute of an area	Yes
hash	Sets or returns the anchor part of the href attribute value	Yes
host	Sets or returns the hostname:port part of the href attribute value	Yes
hostname	Sets or returns the hostname part of the href attribute value	Yes
href	Sets or returns the value of the href attribute of an area	Yes
noHref	Sets or returns the value of the nohref attribute of an area	Yes
pathname	Sets or returns the pathname part of the href attribute value	Yes
port	Sets or returns the port part of the href attribute value	Yes
protocol	Sets or returns the protocol part of the href attribute value	Yes
search	Sets or returns the querystring part of the href attribute value	Yes
shape	Sets or returns the value of the shape attribute of an area	Yes
target	Sets or returns the value of the target attribute of an area	Yes

Base

The Base object represents an HTML base element.

The base element is used to specify a default address or a default target for all links on a page.

For each tag in an HTML document, a Base object is created.

Property	Description	W3C
href	Sets or returns the value of the href attribute in a base element	Yes
target	Sets or returns the value of the target attribute in a base element	Yes

Body

The Body object represents the HTML body element.

The body element defines a document's body.

The body element contains all the contents of an HTML document, such as text, hyperlinks, images, tables, lists, etc.

Property	Description	W3C
aLink	Sets or returns the value of the alink attribute of the body element	Yes
background	Sets or returns the value of the background attribute of the body element	Yes
bgColor	Sets or returns the value of the bgcolor attribute of the body element	Yes
link	Sets or returns the value of the link attribute of the body element	Yes
text	Sets or returns the value of the text attribute of the body element	Yes
vLink	Sets or returns the value of the vlink attribute of the body element	Yes

Event	Description	W3C
onload	Script to be run immediately after a page is loaded	Yes

Button

The Button object represents a push button.

For each tag， ，  or tag in an HTML document, a Button object is created.

Inside an HTML button element you can put content, like text or images. This is the difference between this element and buttons created with the input element.

Property	Description	W3C
disabled	Sets or returns whether a button is disabled, or not	Yes
form	Returns a reference to the form that contains a button	Yes
name	Sets or returns the value of the name attribute of a button	Yes
type	Sets or returns the type of a button	Yes
value	Sets or returns the value of the value attribute of a button	Yes

Form

The Form object represents an HTML form.

For each

tag in an HTML document, a Form object is created.

Forms are used to collect user input, and contain input elements like text fields, checkboxes, radio-buttons, submit buttons and more. A form can also contain select menus, textarea, fieldset, legend, and label elements.

Forms are used to pass data to a server.

Property	Description	W3C
acceptCharset	Sets or returns the value of the accept-charset attribute in a form	Yes
action	Sets or returns the value of the action attribute in a form	Yes
enctype	Sets or returns the value of the enctype attribute in a form	Yes
length	Returns the number of elements in a form	Yes
method	Sets or returns the value of the method attribute in a form	Yes
name	Sets or returns the value of the name attribute in a form	Yes
target	Sets or returns the value of the target attribute in a form	Yes

Frame

The Frame object represents an HTML frame.

The tag defines one particular window (frame) within a frameset.

For each tag in an HTML document, a Frame object is created.

IFrame

The IFrame object represents an HTML inline frame.

The