| Name |
Related Elements |
Strict |
Transitional |
Frameset |
| abbr |
td th |
Yes |
Yes |
Yes |
| acronym |
td th |
Yes |
Yes |
Yes |
| accept-charset |
form |
Yes |
Yes |
Yes |
| accept |
form input |
Yes |
Yes |
Yes |
| accesskey |
a area button input label legend textarea |
Yes |
Yes |
Yes |
| action |
form |
Yes |
Yes |
Yes |
| align |
applets |
Not available |
Yes |
Yes |
| align |
iframe |
Not available |
Not available |
Yes |
| align |
caption div h1-h6 hr img input legend p table |
No |
Yes |
Yes |
| align |
col colgroup tbody td tfoot th thead tr |
Yes |
Yes |
Yes |
| alink |
body |
No |
Yes |
Yes |
| alt |
applet |
Not available |
Yes |
Yes |
| alt |
area img input |
Yes |
Yes |
Yes |
| archive |
applet |
Not available |
Yes |
Yes |
| archive |
object |
Yes |
Yes |
Yes |
| axis |
td th |
Yes |
Yes |
Yes |
| background |
body |
No |
Yes |
Yes |
| bgcolor |
table tr td th body |
No |
Yes |
Yes |
| border |
img |
No |
Yes |
Yes |
| border |
table |
Yes |
Yes |
Yes |
| cellpadding |
table |
Yes |
Yes |
Yes |
| cellspacing |
table |
Yes |
Yes |
Yes |
| char |
col colgroup tbody td tfoot th thead tr |
Yes |
Yes |
Yes |
| charoff |
col colgroup tbody td tfoot th thead tr |
Yes |
Yes |
Yes |
| charset |
a link script |
Yes |
Yes |
Yes |
| checked |
input |
Yes |
Yes |
Yes |
| cite |
blockquote q del ins |
Yes |
Yes |
Yes |
| class |
all elements except base basefont head html meta param script style title |
Yes |
Yes |
Yes |
| classid |
object |
Yes |
Yes |
Yes |
| code |
applet |
Not available |
Yes |
Yes |
| codebase |
applet |
Not available |
Yes |
Yes |
| codebase |
object |
Yes |
Yes |
Yes |
| codetype |
object |
Yes |
Yes |
Yes |
| color |
basefont font |
Not available |
Yes |
Yes |
| cols |
frameset |
Not available |
Not available |
Yes |
| cols |
textarea |
Yes |
Yes |
Yes |
| colspan |
td th |
Yes |
Yes |
Yes |
| compact |
dir dl menu ol ul |
Not available |
Yes |
Yes |
| content |
meta |
Yes |
Yes |
Yes |
| coords |
a area |
Yes |
Yes |
Yes |
| data |
object |
Yes |
Yes |
Yes |
| datetime |
del ins |
Yes |
Yes |
Yes |
| declare |
object |
Yes |
Yes |
Yes |
| defer |
script |
Yes |
Yes |
Yes |
| dir |
apple basefont |
Not available |
Yes |
Yes |
| dir |
frame frameset iframe |
Not available |
Not available |
Yes |
| dir |
all elements except base br param script |
Yes |
Yes |
Yes |
| disabled |
button input optgroup option select textarea |
Yes |
Yes |
Yes |
| enctype |
form |
Yes |
Yes |
Yes |
| face |
basefont font |
Not available |
Yes |
Yes |
| for |
label |
Yes |
Yes |
Yes |
| frame |
table |
Yes |
Yes |
Yes |
| frameborder |
frame iframe |
Not available |
Not available |
Yes |
| headers |
td th |
Yes |
Yes |
Yes |
| height |
applet |
Not available |
Yes |
Yes |
| height |
iframe |
Not available |
Not available |
Yes |
| height |
td th |
No |
Yes |
Yes |
| height |
img |
Yes |
Yes |
Yes |
| href |
a area link base |
Yes |
Yes |
Yes |
| hreflang |
a link |
Yes |
Yes |
Yes |
| hspace |
applet |
Not available |
Yes |
Yes |
| hspace |
img |
No |
Yes |
Yes |
| http-equiv |
meta |
Yes |
Yes |
Yes |
| id |
all elements except base head html meta script style title |
Yes |
Yes |
Yes |
| ismap |
input |
No |
Yes |
Yes |
| ismap |
img |
Yes |
Yes |
Yes |
| label |
option optgroup |
Yes |
Yes |
Yes |
| lang |
applet basefont |
Not available |
Yes |
Yes |
| lang |
frame frameset iframe |
Not available |
Not available |
Yes |
| lang |
all elements except base br param script |
Yes |
Yes |
Yes |
| link |
body |
No |
Yes |
Yes |
| longdesc |
frame iframe |
Not available |
Not available |
Yes |
| longdesc |
img |
Yes |
Yes |
Yes |
| marginheight |
frame iframe |
Not available |
Not available |
Yes |
| marginwidth |
frame iframe |
Not available |
Not available |
Yes |
| maxlength |
input |
Yes |
Yes |
Yes |
| media |
link style |
Yes |
Yes |
Yes |
| method |
form |
Yes |
Yes |
Yes |
| multiple |
select |
Yes |
Yes |
Yes |
| name |
applet |
Not available |
Yes |
Yes |
| name |
frame iframe |
Not available |
Not available |
Yes |
| name |
a button input map meta param select textarea |
Yes |
Yes |
Yes |
| nohref |
area |
Yes |
Yes |
Yes |
| noresize |
frame |
Not available |
Not available |
Yes |
| noshade |
hr |
No |
Yes |
Yes |
| nowrap |
td th |
No |
Yes |
Yes |
| object |
applet |
Not available |
Yes |
Yes |
| onblur |
a area button input label select textarea |
Yes |
Yes |
Yes |
| onchange |
input select textarea |
Yes |
Yes |
Yes |
| onclick |
applet basefont font |
Not available |
Yes |
Yes |
| onclick |
frame frameset iframe |
Not available |
Not available |
Yes |
| onclick |
all elements but base bdo br head html meta param script style title |
Yes |
Yes |
Yes |
| ondblclick |
applet basefont font |
Not available |
Yes |
Yes |
| ondblclick |
frame frameset iframe |
Not available |
Not available |
Yes |
| ondblclick |
all elements but base bdo br head html meta param script style title |
Yes |
Yes |
Yes |
| onfocus |
a area button input label select textarea |
Yes |
Yes |
Yes |
| onkeydown |
applet basefont font |
Not available |
Yes |
Yes |
| onkeydown |
frame frameset iframe |
Not available |
Not available |
Yes |
| onkeydown |
all elements but base bdo br head html meta param script style title |
Yes |
Yes |
Yes |
| onkeypress |
applet basefont font |
Not available |
Yes |
Yes |
| onkeypress |
frame frameset iframe |
Not available |
Not available |
Yes |
| onkeypress |
all elements but base bdo br head html meta param script style title |
Yes |
Yes |
Yes |
| onkeyup |
applet basefont font |
Not available |
Yes |
Yes |
| onkeyup |
frame frameset iframe |
Not available |
Not available |
Yes |
| onkeyup |
all elements but base bdo br head html meta param script style title |
Yes |
Yes |
Yes |
| onload |
frameset |
Not available |
Not available |
Yes |
| onload |
body |
Yes |
Yes |
Yes |
| onmousedown |
applet basefont font |
Not available |
Yes |
Yes |
| onmousedown |
frame frameset iframe |
Not available |
Not available |
Yes |
| onmousedown |
all elements but base bdo br head html meta param script style title |
Yes |
Yes |
Yes |
| onmousemove |
applet basefont font |
Not available |
Yes |
Yes |
| onmouseout |
frame frameset iframe |
Not available |
Not available |
Yes |
| onmouseout |
all elements except base bdo br head html meta param script style title |
Yes |
Yes |
Yes |
| onmouseover |
applet basefont font |
Not available |
Yes |
Yes |
| onmouseover |
frame frameset iframe |
Not available |
Not available |
Yes |
| onmouseover |
all elements but base bdo br head html meta param script style title |
Yes |
Yes |
Yes |
| onmouseup |
applet basefont font |
Not available |
Yes |
Yes |
| onmouseup |
frame frameset iframe |
Not available |
Not available |
Yes |
| onmouseup |
all elements but base bdo br head html meta param script style title |
Yes |
Yes |
Yes |
| onreset |
form |
Yes |
Yes |
Yes |
| onselect |
input textarea |
Yes |
Yes |
Yes |
| onsubmit |
form |
Yes |
Yes |
Yes |
| onunload |
frameset |
Not available |
Not available |
Yes |
| onunload |
body |
Yes |
Yes |
Yes |
| profile |
head |
Yes |
Yes |
Yes |
| readonly |
input textarea |
Yes |
Yes |
Yes |
| rel |
a link |
Yes |
Yes |
Yes |
| rev |
a link |
Yes |
Yes |
Yes |
| rows |
frameset |
Not available |
Not available |
Yes |
| rows |
textarea |
Yes |
Yes |
Yes |
| rowspan |
td th |
Yes |
Yes |
Yes |
| rules |
table |
Yes |
Yes |
Yes |
| scheme |
meta |
Yes |
Yes |
Yes |
| scope |
td th |
Yes |
Yes |
Yes |
| scrolling |
frame iframe |
Not available |
Not available |
Yes |
| selected |
option |
Yes |
Yes |
Yes |
| shape |
a area |
Yes |
Yes |
Yes |
| size |
basefont font |
Not available |
Yes |
Yes |
| size |
hr |
No |
Yes |
Yes |
| size |
input select |
Yes |
Yes |
Yes |
| span |
col colgroup |
Yes |
Yes |
Yes |
| src |
frame iframe |
Not available |
Not available |
Yes |
| src |
img input script |
Yes |
Yes |
Yes |
| standby |
object |
Yes |
Yes |
Yes |
| start |
ol |
No |
Yes |
Yes |
| style |
basefont |
Not available |
Yes |
Yes |
| style |
all elements but base head html meta param script style title |
Yes |
Yes |
Yes |
| summary |
table |
Yes |
Yes |
Yes |
| tabindex |
a area button input select textarea |
Yes |
Yes |
Yes |
| target |
a |
No |
Yes |
Yes |
| text |
body |
No |
Yes |
Yes |
| title |
basefont |
Not available |
Yes |
Yes |
| title |
all elements but base head html meta param script title |
Yes |
Yes |
Yes |
| type |
ol ul |
No |
Yes |
Yes |
| type |
a button form input link object param script style |
Yes |
Yes |
Yes |
| usemap |
img input |
Yes |
Yes |
Yes |
| valign |
col colgroup tbody td tfoot th thead tr |
Yes |
Yes |
Yes |
| value |
button input option param |
Yes |
Yes |
Yes |
| valuetype |
param |
Yes |
Yes |
Yes |
| version |
html |
No |
Yes |
Yes |
| vlink |
body |
No |
Yes |
Yes |
| vspace |
applet |
Not available |
Yes |
Yes |
| vspace |
img |
No |
Yes |
Yes |
| width |
applet |
Not available |
Yes |
Yes |
| width |
iframe |
Not available |
Not available |
Yes |
| width |
hr td th |
No |
Yes |
Yes |
| width |
col colgroup img table |
Yes |
Yes |
Yes |
FlipFlop 3.0
