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All considered features

Features considered for the Feature questions of the State of HTML survey

Last edited 691 days ago by System Writer.

This is a table of all features and their metadata, from which the Feature questions are generated. For actual survey outline, go to

Survey Outline⁠

Features Considered

Features Considered

Question

Focus area

Type

Status

Discussion

In Part 1

Question

Needs Translation

Focus area

Type

Status

Discussion

Upvotes

In Part 1

dialog_element

popover_api

Popover API

custom_elements_using

Using Custom Elements

form_validation

Form validation

lazy_loading

Lazy loading

selectlist_element

<selectlist> (ex <selectmenu> )

shadow_dom

Shadow DOM

breadcrumb_element

svg_element

<svg>

picture_element

details_element

slot_def

Defining slots (<slot> )

aria

ARIA

respimg_attributes

srcset and sizes attributes

inert_attribute

inert attribute

declarative_shadow_dom

Declarative Shadow DOM

host_css

Styling component host (:host, :host(), :host-context())

autocomplete_element

autocomplete="hint"

search_element

fetchpriority_attribute

Fetch Priority API (fetchpriority attribute)

template_element

part_selector

::part()

showpicker

input.showPicker()

pwa_manifest

PWA manifest

portal_element

tabindex_attribute

tabindex attribute

content_security_policy

Content-Security Policy (CSP)

structured_data

Structured data (RDFa, Microdata, Microformats)

part_attribute

part attribute

element_internals

ElementInternals

blocking_render

blocking=”render”

contenteditable_plaintext

contenteditable=”plaintext-only”

dom_parts

DOM Parts

cors

CORS

extended_builtins

Extended built-ins

crossorigin_attribute

crossorigin attribute

input_pattern

pattern attribute for <input>

resource_hints

Resource Hints (all)

client_hints

Client Hints

html_modules

HTML Modules

slot_assignment

Explicit slot assignment

slot="foo"

focusgroup_attribute

focusgroup attribute

math_element

<math>

track_element

<track>

accordion_element

Exclusive accordion (<details name=”...”>)

model_element

<model>

navigation_api

Navigation API

exportparts_attribute

exportparts attribute

controlslist_attribute

controlslist attribute

media_capture

HTML Media Capture

rh_preload

Resource Hints: <link rel=”preload”>

rh_preconnect

Resource Hints: <link rel=”preconnect”>

imperative_slot

Imperative slot assignment

decoding_attribute

decoding attribute

sandbox_attribute

sandbox attribute for iframes

rh_prefetch

Resource Hints: <link rel=”prefetch”>

rh_prerender

Resource Hints: <link rel=”prerender”>

multihandle_sliders

Multi-handle sliders (<input type=range multiple> )

fencedframe_element

adaptive_streaming

Adaptive streaming

integrity_attribute

Subresource Integrity (integrity attribute)

referrerpolicy_attribute

referrerpolicy attribute

credentialless_attribute

Credentialless iframes

isolated_webapps

Isolated Web Apps

menu_element

<menu>

borderless_mode

Borderless mode

custom_elements_defining

Defining Custom Elements

badging_api

Badging API

web_share_api

Web Share API

window_controls_overlay

Window Controls Overlay API

text_fragments

URLs to Text Fragments

scoped_element_registries

Scoped Custom Element Registries

sanitizer_api

Sanitizer API

iframe_seamless

urlpattern

URLPattern API

landmark_elements

Landmark elements

formdata

FormData API

form_request_submit

form.requestSubmit()

datalist_element

There are no rows in this table

⁠

In Part 1

In Part 1

In Part 1

Features

Yes

Likely Yes

Maybe

Likely No

In checkbox question

There are no rows in this table

⁠

Focus areas

Focus areas

Focus area

Features

Accepted features

Making Web Components

Forms & Editing

Security & Privacy

Embedding

Multimedia

Performance

Interactivity

Accessibility

Progressive Web Apps

Consuming Web Components

Content

Other

There are no rows in this table

Sum

⁠

Status

Status

Status

Description

Features

Stable

Widely supported for several years

Cutting Edge

Shipped, but not in all browsers

Future

No implementations yet

Recent

Shipped in all major browsers

Controversial

Some shipped implementations, but some browsers have declined to implement

Removed

No longer supported in any major browsers

Near Future

No shipped implementations yet, but at least one behind a flag

Mixed

Some parts stable, others unimplemented or inconsistent

Deprecated

Still supported, but not recommended for use in new projects

There are no rows in this table

Sum

⁠

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