HTML and CSS Reference
In-Depth Information
Table 3-8. ( continued )
Attribute
Element(s)
Description
Value
form
button , fieldset , input ,
keygen , label , object ,
output , select , textarea
Associates the control with a form
element
ID
formaction
button , input
URL to use for form submission
URL
formenctype
button , input
application/x-www-form-
urlencoded | multipart/
form-data | text/plain
Encoding type to use for form
submission
formmethod
button , input
GET | POST
HTTP method to use for form
submission
formnovalidate
button , input
Bypass form control validation for
form submission
Boolean attribute
formtarget
button , input
Browsing context for form
submission
Browsing context name or
keyword
headers
td , th
Header cells for the cell
Unordered set of unique
space-separated tokens
(case-sensitive)
height
canvas , embed , iframe , img ,
input , object , video
Vertical dimension
Non-negative integer
hidden
HTML elements
Hides element
Boolean attribute
high
meter
Low limit of high range
Floating-point number
href
a , area , link
Hyperlink URL
URL 12
href
base
Document base URL
URL
hreflang
a , area , link
Language of the linked resource
BCP 47 language tag
http-equiv
meta
Pragma directive
Text
icon
command
Command icon
URL
id
HTML elements
Element identifier
Text
ismap
img
Determines whether the image is a
server-side image map
Boolean attribute
keytype
keygen
The type of cryptographic key to
generate
Text
kind
track
subtitles | captions |
descriptions | chapters |
metadata
The type of text track
label
optgroup , option , track
Label
Text
( continued )
12 The href attribute value cannot be empty on link elements.
 
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