accept-charset
accesskey
allow
async
autocapitalize
autofocus
autoplay
buffered
challenge
charset
code
codebase
content
contenteditable
contextmenu
controls
data
decoding
defer
dirname
draggable
dropzone
form
formaction
http-equiv
icon
importance
itemprop
keytype
kind
language
lazyload
manifest
minlength
muted
ping
sandbox
scoped
slot
spellcheck
srcdoc
srclang
start
target
translate
wrap
onerror
onclick
onload
style