HTML Element Attributes

122 in total

Element-specific attributes apply only to particular elements, unlike global attributes. Browse all 122 below, each with its accepted values and live examples.

Name	Description
abbr	Gives a table header cell a short abbreviated label.
accept	Filters the file types a file input accepts.
accept-charset	Sets the character encodings a form accepts.
action	Sets the URL a form submits to.
allow	Sets a Permissions Policy for an iframe.
allowfullscreen	Lets an iframe go fullscreen.
alt	Provides alternative text for an image.
as	Declares the type of a preloaded resource.
async	Loads and runs a script asynchronously.
autocomplete	Controls browser autofill for a field.
autoplay	Starts media playback automatically.
blocking	Marks a resource as render-blocking.
buffered	Reports buffered media ranges (a JS property).
capture	Requests media capture from a device camera/mic.
charset	Declares the document character encoding.
checked	Pre-checks a checkbox or radio button.
cite	Cites the source URL of a quote or edit.
cols	Sets the visible width of a textarea.
colspan	Spans a table cell across columns.
command	Declares a built-in button command (invoker commands).
commandfor	Targets the element a button command controls.
content	Holds the value of a meta declaration.
controls	Shows native media playback controls.
coords	Sets the coordinates of an image-map area.
crossorigin	Sets the CORS mode for fetching the resource.
data	Sets the URL of an embedded object.
datetime	Gives a machine-readable date/time.
decoding	Hints the image decoding strategy.
default	Enables a media track by default.
defer	Defers script execution until after parsing.
dir	Sets the text direction of content.
dirname	Submits a field's text direction with the form.
disabled	Disables a form control.
download	Prompts the browser to download the linked file.
enctype	Sets the encoding of submitted form data.
fetchpriority	Hints the fetch priority of the resource.
for	Links a label to its form control by id.
form	Associates a control with a form by id.
formaction	Overrides the form action for one submit button.
formenctype	Overrides the form encoding for one button.
formmethod	Overrides the form method for one submit button.
formnovalidate	Skips validation for one submit button.
formtarget	Overrides the form target for one button.
headers	Links data cells to header cells for accessibility.
height	Sets the height of the element in pixels.
high	Sets the high boundary of a meter.
href	Specifies the URL a hyperlink points to.
hreflang	States the language of the linked document.
http-equiv	Defines an HTTP-header-like meta directive.
imagesizes	Sets the sizes hint for a preloaded image.
imagesrcset	Sets a responsive srcset for a preloaded image.
integrity	Verifies a resource against a hash (SRI).
ismap	Makes an image a server-side image map.
kind	Sets the kind of a media text track.
label	Labels an option group or option.
label	Titles a media text track.
list	Connects an input to a datalist of suggestions.
loading	Controls eager vs lazy loading of the resource.
loop	Replays media from the start when it ends.
low	Sets the low boundary of a meter.
max	Sets the maximum allowed value.
maxlength	Limits the maximum character count.
media	Applies the resource to matching media only.
method	Sets the HTTP method for form submission.
min	Sets the minimum allowed value.
minlength	Sets the minimum character count.
multiple	Allows multiple values or selections.
muted	Mutes the media by default.
name	Names a form control for submission.
name	Names a metadata value on a meta tag.
nomodule	Provides a fallback script for legacy browsers.
novalidate	Skips native form validation on submit.
open	Shows a details/dialog in its open state.
optimum	Sets the optimum value of a meter.
pattern	Validates input against a regular expression.
ping	Pings URLs when the link is clicked.
placeholder	Shows hint text in an empty field.
played	Reports played media ranges (a JS property).
playsinline	Plays a video inline instead of fullscreen.
popovertarget	Makes a button toggle a popover.
popovertargetaction	Sets whether a popover button shows, hides or toggles.
poster	Sets a placeholder image for a video.
preload	Hints how much media to preload.
readonly	Makes a field read-only.
referrerpolicy	Controls the Referer header sent for the request.
rel	Defines the relationship to the linked resource.
required	Marks a form control as mandatory.
reversed	Counts an ordered list downwards.
rows	Sets the visible line count of a textarea.
rowspan	Spans a table cell across rows.
sandbox	Sandboxes an iframe with opt-in permissions.
scope	States what a table header cell labels.
selected	Pre-selects a dropdown option.
selectionDirection	Direction of the text selection (a JS property).
selectionEnd	End of the text selection (a JS property).
selectionStart	Start of the text selection (a JS property).
shadowrootclonable	Makes a declarative shadow root clonable.
shadowrootdelegatesfocus	Delegates focus into a declarative shadow root.
shadowrootmode	Declares a declarative shadow root on a template.
shadowrootserializable	Makes a declarative shadow root serializable.
shape	Sets the shape of an image-map area.
size	Sets the visible size of the control.
sizes	Defines image display size for srcset selection.
span	Spans a col/colgroup across columns.
src	Specifies the URL of an embedded resource.
srcdoc	Supplies inline HTML for an iframe.
srclang	Sets the language of a media text track.
srcset	Lists responsive image candidates.
start	Sets the start number of an ordered list.
step	Sets the value increment for numeric/date inputs.
target	Specifies where to open a link or form result.
type	Specifies the MIME type of a resource.
type	Sets a button's behavior.
type	Sets the type of an input control.
type	Sets the marker style of an ordered list.
type	Sets the MIME type of an embedded object.
usemap	Links an image to a client-side image map.
value	Sets a control's value.
volume	Gets/sets media volume (a JS property).
width	Sets the width of the element in pixels.
wrap	Controls textarea line wrapping on submit.
xmlns	Declares an XML namespace.

References