Select a attribute to visit its documentation.
| Attribute | IE | Netscape | Mozilla | Opera | Safari |
|---|---|---|---|---|---|
|
Abbreviation for a header cell in a table.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Name of the layer above the element.
|
no | 4.0 | no | no | no |
|
Specifies accepted MIME types for file uploads.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Comma or space-delimited list of character encodings that are accepted
by the server processing the form.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Hot-key shortcut for the element.
|
5.5+ | no | no | no | 1.0+ |
|
URL for submitting the form.
|
2.0 | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Defines the alignment of the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
alink (body)
Specifies the color for active links in the document. Specify either a
color name or RGB color.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
Specifies whether the background of the element may be transparent.
|
5.5+ | no | no | no | no |
|
Specifies alternative text to display if the element cannot be displayed
as expected.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies whether the content of the element is considered an HTA application.
|
5.0+ | no | no | no | no |
|
URL or list of URLs that need to be preloaded for the element.
|
3.0+ | 4.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies whether form autocompletion, which automatically completes the
fields on a form after the user has typed enough letters, is on or off.
|
5.0+ | no | no | no | 1.0+ |
|
Specifies a name for a group of headers.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies the URL for the background image for the document or element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
balance (bgsound)
Number between -10000 and +10000 that specifies the sound balance for the
left and right speakers.
|
no | no | no | no | no |
|
Specifies the movement behavior of the element.
|
4.0+ | no | no | no | 1.0+ |
|
Name of the layer below the element.
|
no | 4.0+ | no | no | no |
|
Specifies the background color for the document or element. Specify either
a color name or RGB color.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
bgproperties (body)
If set, specifies that the background image is fixed and will not scroll.
|
4.0+ | no | no | no | 1.0+ |
|
Width (in pixels) of the border around the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies the color of the border of the element. Specify either a color
name or RGB color code.
|
4.0+ | no | no | no | no |
|
Specifies the darker color of the border of the element, if the element
has a 3D effect. Specify either a color name or RGB color code.
|
4.0+ | no | no | no | no |
|
Specifies the lighter color of the border of the element, if the element
has a 3D effect. Specify either a color name or RGB color code.
|
4.0+ | no | no | no | no |
|
bottommargin (body)
Bottom margin for the body of the document.
|
4.0+ | no | no | no | no |
|
Number of pixels between the content of a cell and the edge of a cell.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Number of pixels between cells.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies which character to use to set the alignment for the element.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
Number of characters to offset the other column characters from the character
specified by char.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
Specifies the character set associated with the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
If present, specifies that the element should be checked.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
URL for the source of the quote.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
CSS class assigned to the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
clear (br)
Specifies how the text flows with regards to any surrounding elements.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
Specifies x,y coordinates of the upper left and lower right corners of
the element.
|
no | 4.0+ | no | no | no |
|
URL of the Java class file for the element.
|
2.0+ | 2.0+ | 1.0+ | no | 1.0+ |
|
URL for the code base for the element.
|
2.0+ | 2.0+ | 1.0+ | no | 1.0+ |
|
Name of the color or RGB code for the color for the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Number of characters wide that the element should be.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Number of columns that the element should span.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
If true, specifies that the element should be visually compressed by compacting
whitespace between its child elements.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
High-level meta description of the contents of the document.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies whether or not the content of the element is editable, or if
the element inherits the value of this property from its parent.
|
4.0+ | no | no | no | 1.0+ |
|
Comma-delimited x, y coordinates for the element.
|
4.0+ | 1.1+ | 1.0+ | 7.0+ | 1.0+ |
|
data (comment)
Specifies a reference URL for the comment.
|
4.0+ | no | no | no | no |
|
Specifies the URL for data used by the element.
|
4.0+ | 4.0+ | 1.0+ | 7.0+ | 1.0+ |
|
For a databound element, specifies the field supplying the data.
|
4.0+ | no | no | no | no |
|
Specifies whether the element treats data as plain text or as html.
|
4.0+ | no | no | no | no |
|
For a databound element, specifies the number of records to display in
the element.
|
4.0+ | no | no | no | no |
|
For a databound element, specifies the id of the data source.
|
4.0+ | no | no | no | no |
|
Specifies the date and time that the element was modified.
|
4.0+ | 6.0+ | 1.0+ | 7.0+ | 1.0+ |
|
If present, declares the object associated with the element, but does not
instantiate it.
|
4.0+ | 3.0+ | 1.0+ | 4.0+ | 1.0+ |
|
If present, specifies that execution of the element is deferred.
|
3.0+ | 2.0+ | 1.0+ | 7.0+ | 1.0+ |
|
Direction of the element text.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies the direction of movement for the element text.
|
4.0+ | no | no | no | 1.0+ |
|
Specifies whether or not the element is disabled.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
URL of a video clip file.
|
4.0+ | no | no | no | no |
|
Specifies the MIME type for the element data being sent to the server.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies the event handler for the element.
|
3.0+ | no | no | no | no |
|
Name of the font. You can specify more than one font face.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Id corresponding to the form or event associated with the element.
|
4.0+ | 1.1+ | 1.0+ | no | 1.0+ |
|
Specifies which edges of the element should have a border.
|
2.0+ | 2.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies whether the frame has a border.
|
2.0+ | 2.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Number of pixels between frames.
|
4.0+ | no | no | no | no |
|
Specifies whether the image toolbar is visible.
|
6.0+ | no | no | no | no |
|
Space-delimited list of header cell id's for header cells that are related
to the element.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Height of the element (in pixels).
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
If true, specifies that the element is hidden.
|
no | no | no | no | 1.0+ |
|
Specifies whether the element shows a visual cue when it has focus.
|
5.5+ | no | no | no | no |
|
Path or URL for the linked document or object.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Language of the linked document.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Number of pixels of space to the left and right of the element (i.e. horizontal
margin).
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Sets an HTTP response header for the value in the content attribute.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Unique identifier for the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Short text description for the element.
|
4.0+ | 1.0+ | 4.0+ | 1.0+ | |
|
Language code for the content of the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
language (script)
Specifies the scripting language.
|
3.0+ | 2.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Script language for the element.
|
3.0+ | 2.0+ | 1.0+ | no | 1.0+ |
|
Number of pixels that the element is offset from the left.
|
no | 4.0+ | no | no | no |
|
leftmargin (body)
Left margin for the body of the document.
|
4.0+ | no | no | no | 1.0+ |
|
link (body)
Specifies the color for links in the document. Specify either a color name
or RGB color.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
URL that contains a long description of the contents of the element.
|
4.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Number of times to loop the media file. Specify "infinite" for
a continuous loop.
|
2.0+ | no | no | no | 1.0+ |
|
URL for a low-resolution version of an image.
|
4.0+ | no | no | no | no |
|
Top and bottom margins (in pixels) for the document.
|
4.0+ | 4.0+ | 1.0+ | 7.0+ | 1.0+ |
|
Left and right margins (in pixels) for the document.
|
4.0+ | 4.0+ | 1.0+ | 7.0+ | 1.0+ |
|
Maximum number of characters that a user may type into the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
mayscript (applet)
If true, indicates that scripts in the document may access the applet.
|
no | no | no | 1.0+ | |
|
Media type associated with the element.
|
4.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies the method to use to transfer form data to the server.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
methods (a)
Possible methods that may be called on the element.
|
4.0+ | no | no | no | no |
|
If present, specifies that a user can select multiple options.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Unique name identifier for the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
If present, specifies that the element has no href.
|
4.0+ | 1.0+ | 4.0+ | 1.0+ | |
|
If present, specifies that the element cannot be resized.
|
4.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
If present, specifies that the element should not have shading.
|
4.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
If present, specifies that the element text should not wrap.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
object (applet)
Name of the resource containing a serialized version of the applet.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
Specifies whether to "clip" the content of the layer if the content
exceeds the layer boundaries, or leave the content as-is.
|
no | 4.0+ | no | no | no |
|
Horizontal position of the element in the browser window.
|
no | 4.0+ | no | no | 1.0+ |
|
Vertical position of the element in the browser window.
|
no | 4.0+ | no | no | 1.0+ |
|
Specifies whether to use the background or foreground color palette for
the element.
|
no | 4.0+ | no | no | no |
|
Specifies a web page with installation information for the plugin for the
element.
|
no | 4.0+ | no | no | 1.0+ |
|
Specifies the point size of the font.
|
no | 4.0+ | no | no | no |
|
Specifies the URL for the meta-information dictionary.
|
4.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
If present, specifies that the element is read-only.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Defines the relationship of the linked document to the current document.
|
3.0+ | 4.0+ | 1.0+ | no | 1.0+ |
|
Defines the relationship of the current document to the linked document.
|
3.0+ | 4.0+ | 1.0+ | no | 1.0+ |
|
rightmargin (body)
Right margin (in pixels) for the body of the document.
|
4.0+ | no | no | no | no |
|
Number of rows in the element.
|
4.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Number of rows that the element should span.
|
4.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies the dividing rules for the element.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies the scheme for the value of the content attribute.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies cells that the element is a header for.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
scroll (body)
Specifies whether or not scroll bars are visible.
|
4.0+ | no | no | no | no |
|
Specifies whether or not the element has scroll bars.
|
4.0+ | no | no | no | no |
|
Specifies the number of pixels between the end of one block of content
and the start of the next while scrolling.
|
3.0+ | no | no | no | 1.0+ |
|
Specifies the delay (in milliseconds) between the end of one block of scrolling
content and the start of the next.
|
3.0+ | no | no | no | 1.0+ |
|
Specifies whether or not the element has scroll bars.
|
2.0+ | 2.0+ | 1.0+ | 4.0+ | 1.0+ |
|
If present, specifies that the element selected by default.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
For an anchor that defines a hyperlink, shape of the selectable hypertext
region.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Size of the element.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Number of columns that this column should span.
|
4.0+ | 6.0+ | 1.0+ | 7.0+ | 1.0+ |
|
URL for the source for the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Text content to dislay while the object associated with the element loads.
|
3.0+ | 4.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Inline style for the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Summary of the contents of the element.
|
4.0+ | 1.1+ | 1.0+ | 7.0+ | 1.0+ |
|
Position of the element in the tabbing order for the document.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Target window to use for opening the linked document.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
text (body)
Specifies the color for text of the document. Specify either a color name
or RGB color.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
Short text description for the element.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Number of pixels that the element is offset from the top.
|
4.0+ | no | no | no | 1.0+ |
|
If present, specifies that the scrolldelay value should not be rounded
up to 60 milliseconds.
|
4.0+ | no | no | no | 1.0+ |
|
type (a)
Specifies the type of linked file.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
type (button)
Type of button element.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
type (embed)
MIME type for the embedded object.
|
4.0+ | 1.0+ | 7.0+ | no | |
|
type (input)
Specifies the type of input control.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
type (li)
Specifies the type of bullet, number, or letter to use in a list.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
type (link)
Specifies the type of linked file.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
type (object)
Specifies the MIME type for the element.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
type (ol)
Specifies the type of numbering system to use in a list.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
type (param)
Specifies the MIME type for the element.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
type (script)
Specifies the type of script.
|
3.0+ | 2.0+ | 1.0+ | 4.0+ | 1.0+ |
|
type (style)
Specifies the MIME type for the stylesheet language.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
type (ul)
Specifies the type of bullet to use in an unordered list.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies the unit for the height and width of the element.
|
no | 4.0+ | no | no | no |
|
Specifies whether or not the element is unselectable.
|
5.5+ | no | no | no | no |
|
urn (a)
Uniform resource name (URN) for the link.
|
4.0+ | no | no | no | no |
|
Specifies a URL to use for an image map or object map.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Vertical alignment of the element.
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Text containing the value of the element.
|
4.0+ | 1.1+ | 1.0+ | 7.0+ | 1.0+ |
|
Specifies the type of value for the element.
|
4.0+ | 1.1+ | 1.0+ | 7.0+ | 1.0+ |
|
Specifies whether the element is hidden or shown.
|
no | 4.0+ | no | no | no |
|
vlink (body)
Specifies the color for visited links in the document. Specify either a
color name or RGB color.
|
4.0+ | 1.0+ | 7.0+ | 1.0+ | |
|
volume (bgsound)
Number between -10000 and 0 that specifies the volume for the sound file.
|
no | no | no | no | no |
|
Number of pixels of space above and below the element (i.e. vertical margin).
|
2.0+ | 1.0+ | 1.0+ | 7.0+ | 1.0+ |
|
Specifies the weight of the font.
|
no | 4.0+ | no | no | no |
|
Width of the element (pixels or percentage).
|
2.0+ | 1.1+ | 1.0+ | 4.0+ | 1.0+ |
|
Specifies word wrap behavior within the element.
|
4.0+ | no | no | no | 1.0+ |
|
If set, specifies whether to override the default whitespace handling within
the element.
|
5.0+ | no | no | no | no |
|
Namespace for XML-based tags.
|
2.0+ | 1.0+ | 1.0+ | 4.0+ | 1.0+ |
|
Positive integer specifying where an element is stacked in relation to
other layers.
|
no | 4.0+ | no | no | 1.0+ |