HTML Attribute Reference
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All HTML Attributes
Attribute Belongs to
accept <input>
accept-charset <form>
accesskey Global Attributes
action <form>
align Not supported in HTML 5.
alt <area>, <img>, <input>
async <script>
autocomplete <form>, <input>
autofocus <button>, <input>, <select>, <textarea>
autoplay <audio>, <video>
bgcolor Not supported in HTML 5.
border Not supported in HTML 5.
charset <meta>, <script>
checked <input>
cite <blockquote>, <del>, <ins>, <q>
class Global Attributes
color Not supported in HTML 5.
cols <textarea>
colspan <td>, <th>
content <meta>
contenteditable Global Attributes
contextmenu Global Attributes
controls <audio>, <video>
coords <area>
data <object>
data-* Global Attributes
datetime <del>, <ins>, <time>
default <track>
defer <script>
dir Global Attributes
dirname <input>, <textarea>
disabled <button>, <fieldset>, <input>, <optgroup>, <option>, <select>, <textarea>
download <a>, <area>
draggable Global Attributes
dropzone Global Attributes
enctype <form>
for <label>, <output>
form <button>, <fieldset>, <input>, <label>, <meter>, <object>, <output>, <select>, <text
formaction <button>, <input>
headers <td>, <th>
height <canvas>, <embed>, <iframe>, <img>, <input>, <object>, <video>
hidden Global Attributes
high <meter>
href <a>, <area>, <base>, <link>
hreflang <a>, <area>, <link>
http-equiv <meta>
id Global Attributes
ismap <img>
kind <track>
label <track>, <option>, <optgroup>
lang Global Attributes
list <input>
loop <audio>, <video>
low <meter>
max <input>, <meter>, <progress>
maxlength <input>, <textarea>
media <a>, <area>, <link>, <source>, <style>
method <form>
min <input>, <meter>
multiple <input>, <select>
muted <video>, <audio>
name <button>, <fieldset>, <form>, <iframe>, <input>, <map>, <meta>, <object>, <output
novalidate <form>
onabort <audio>, <embed>, <img>, <object>, <video>
onafterprint <body>
onbeforeprint <body>
onbeforeunload <body>
onblur All visible elements.
oncanplay <audio>, <embed>, <object>, <video>
oncanplaythrough <audio>, <video>
onchange All visible elements.
onclick All visible elements.
oncontextmenu All visible elements.
oncopy All visible elements.
oncuechange <track>
oncut All visible elements.
ondblclick All visible elements.
ondrag All visible elements.
ondragend All visible elements.
ondragenter All visible elements.
ondragleave All visible elements.
ondragover All visible elements.
ondragstart All visible elements.
ondrop All visible elements.
ondurationchange <audio>, <video>
onemptied <audio>, <video>
onended <audio>, <video>
onerror <audio>, <body>, <embed>, <img>, <object>, <script>, <style>, <video>
onfocus All visible elements.
onhashchange <body>
oninput All visible elements.
oninvalid All visible elements.
onkeydown All visible elements.
onkeypress All visible elements.
onkeyup All visible elements.
onload <body>, <iframe>, <img>, <input>, <link>, <script>, <style>
onloadeddata <audio>, <video>
onloadedmetadata <audio>, <video>
onloadstart <audio>, <video>
onmousedown All visible elements.
onmousemove All visible elements.
onmouseout All visible elements.
onmouseover All visible elements.
onmouseup All visible elements.
onmousewheel All visible elements.
onoffline <body>
ononline <body>
onpagehide <body>
onpageshow <body>
onpaste All visible elements.
onpause <audio>, <video>
onplay <audio>, <video>
onplaying <audio>, <video>
onpopstate <body>
onprogress <audio>, <video>
onratechange <audio>, <video>
onreset <form>
onresize <body>
onscroll All visible elements.
onsearch <input>
onseeked <audio>, <video>
onseeking <audio>, <video>
onselect All visible elements.
onshow <menu>
onstalled <audio>, <video>
onstorage <body>
onsubmit <form>
onsuspend <audio>, <video>
ontimeupdate <audio>, <video>
ontoggle <details>
onunload <body>
onvolumechange <audio>, <video>
onwaiting <audio>, <video>
onwheel All visible elements.
open <details>
optimum <meter>
pattern <input>
placeholder <input>, <textarea>
poster <video>
preload <audio>, <video>
readonly <input>, <textarea>
rel <a>, <area>, <link>
required <input>, <select>, <textarea>
reversed <ol>
rows <textarea>
rowspan <td>, <th>
sandbox <iframe>
scope <th>
scoped <style>
selected <option>
shape <area>
size <input>, <select>
sizes <img>, <link>, <source>
span <col>, <colgroup>
spellcheck Global Attributes
src <audio>, <embed>, <iframe>, <img>, <input>, <script>, <source>, <track>, <video>
srcdoc <iframe>
srclang <track>
srcset <img>, <source>
start <ol>
step <input>
style Global Attributes
tabindex Global Attributes
target <a>, <area>, <base>, <form>
title Global Attributes
translate Global Attributes
type <button>, <embed>, <input>, <link>, <menu>, <object>, <script>, <source>, <style>
usemap <img>, <object>
value <button>, <input>, <li>, <option>, <meter>, <progress>, <param>
width <canvas>, <embed>, <iframe>, <img>, <input>, <object>, <video>
wrap <textarea>
