repo_id stringlengths 22 103 | file_path stringlengths 41 147 | content stringlengths 181 193k | __index_level_0__ int64 0 0 |
|---|---|---|---|
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/kbd/index.md | ---
title: "<kbd>: The Keyboard Input element"
slug: Web/HTML/Element/kbd
page-type: html-element
browser-compat: html.elements.kbd
---
{{HTMLSidebar}}
The **`<kbd>`** [HTML](/en-US/docs/Web/HTML) element represents a span of inline text denoting textual user input from a keyboard, voice input, or any other text entr... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/noembed/index.md | ---
title: "<noembed>: The Embed Fallback element"
slug: Web/HTML/Element/noembed
page-type: html-element
status:
- deprecated
browser-compat: html.elements.noembed
---
{{HTMLSidebar}}{{deprecated_header}}
The **`<noembed>`** [HTML](/en-US/docs/Web/HTML) element is an obsolete, non-standard way to provide alternati... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/var/index.md | ---
title: "<var>: The Variable element"
slug: Web/HTML/Element/var
page-type: html-element
browser-compat: html.elements.var
---
{{HTMLSidebar}}
The **`<var>`** [HTML](/en-US/docs/Web/HTML) element represents the name of a variable in a mathematical expression or a programming context. It's typically presented using... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/param/index.md | ---
title: "<param>: The Object Parameter element"
slug: Web/HTML/Element/param
page-type: html-element
status:
- deprecated
browser-compat: html.elements.param
---
{{HTMLSidebar}}{{Deprecated_Header}}
The **`<param>`** [HTML](/en-US/docs/Web/HTML) element defines parameters for an {{HTMLElement("object")}} element... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/object/index.md | ---
title: "<object>: The External Object element"
slug: Web/HTML/Element/object
page-type: html-element
browser-compat: html.elements.object
---
{{HTMLSidebar}}
The **`<object>`** [HTML](/en-US/docs/Web/HTML) element represents an external resource, which can be treated as an image, a nested browsing context, or a r... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/rb/index.md | ---
title: "<rb>: The Ruby Base element"
slug: Web/HTML/Element/rb
page-type: html-element
status:
- deprecated
browser-compat: html.elements.rb
---
{{HTMLSidebar}}{{deprecated_header}}
The **`<rb>`** [HTML](/en-US/docs/Web/HTML) element is used to delimit the base text component of a {{HTMLElement("ruby") }} annot... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/script/index.md | ---
title: "<script>: The Script element"
slug: Web/HTML/Element/script
page-type: html-element
browser-compat: html.elements.script
---
{{HTMLSidebar}}
The **`<script>`** [HTML](/en-US/docs/Web/HTML) element is used to embed executable code or data; this is typically used to embed or refer to JavaScript code. The `<... | 0 |
data/mdn-content/files/en-us/web/html/element/script | data/mdn-content/files/en-us/web/html/element/script/type/index.md | ---
title: "<script>: type attribute"
slug: Web/HTML/Element/script/type
page-type: html-attribute
browser-compat: html.elements.script.type
---
{{HTMLSidebar}}
The **`type`** attribute of the [`<script>`](/en-US/docs/Web/HTML/Element/script) element indicates the _type_ of script represented by the element: a classi... | 0 |
data/mdn-content/files/en-us/web/html/element/script/type | data/mdn-content/files/en-us/web/html/element/script/type/speculationrules/index.md | ---
title: <script type="speculationrules">
slug: Web/HTML/Element/script/type/speculationrules
page-type: html-attribute-value
status:
- experimental
browser-compat: html.elements.script.type.speculationrules
---
{{HTMLSidebar}}{{SeeCompatTable}}
The **`speculationrules`** value of the [`type`](/en-US/docs/Web/HTM... | 0 |
data/mdn-content/files/en-us/web/html/element/script/type | data/mdn-content/files/en-us/web/html/element/script/type/importmap/index.md | ---
title: <script type="importmap">
slug: Web/HTML/Element/script/type/importmap
page-type: html-attribute-value
browser-compat: html.elements.script.type.importmap
---
{{HTMLSidebar}}
The **`importmap`** value of the [`type`](/en-US/docs/Web/HTML/Element/script/type) attribute of the [`<script>` element](/en-US/doc... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/td/index.md | ---
title: "<td>: The Table Data Cell element"
slug: Web/HTML/Element/td
page-type: html-element
browser-compat: html.elements.td
---
{{HTMLSidebar}}
The **`<td>`** [HTML](/en-US/docs/Web/HTML) element defines a cell of a table that contains data and may be used as a child of the {{HTMLElement("tr")}} element.
{{Emb... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/td/column-row-span.html | <!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Column and row span</title>
<style>
body {
margin: 0;
padding: 15px;
width: max-content;
font-family: "Arial", sans-ser... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/q/index.md | ---
title: "<q>: The Inline Quotation element"
slug: Web/HTML/Element/q
page-type: html-element
browser-compat: html.elements.q
---
{{HTMLSidebar}}
The **`<q>`** [HTML](/en-US/docs/Web/HTML) element indicates that the enclosed text is a short inline quotation. Most modern browsers implement this by surrounding the te... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/meta/index.md | ---
title: "<meta>: The metadata element"
slug: Web/HTML/Element/meta
page-type: html-element
browser-compat: html.elements.meta
---
{{HTMLSidebar}}
The **`<meta>`** [HTML](/en-US/docs/Web/HTML) element represents {{Glossary("Metadata","metadata")}} that cannot be represented by other HTML meta-related elements, like... | 0 |
data/mdn-content/files/en-us/web/html/element/meta | data/mdn-content/files/en-us/web/html/element/meta/name/index.md | ---
title: Standard metadata names
slug: Web/HTML/Element/meta/name
page-type: html-attribute
browser-compat: html.elements.meta.name
---
{{HTMLSidebar}}
The {{htmlelement("meta")}} element can be used to provide document metadata in terms of name-value pairs, with the [`name`](/en-US/docs/Web/HTML/Element/meta#name)... | 0 |
data/mdn-content/files/en-us/web/html/element/meta/name | data/mdn-content/files/en-us/web/html/element/meta/name/theme-color/index.md | ---
title: theme-color
slug: Web/HTML/Element/meta/name/theme-color
page-type: html-attribute-value
browser-compat: html.elements.meta.name.theme-color
---
{{HTMLSidebar}}
The **`theme-color`** value for the [`name`](/en-US/docs/Web/HTML/Element/meta#name) attribute of the {{htmlelement("meta")}} element indicates a ... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/del/index.md | ---
title: "<del>: The Deleted Text element"
slug: Web/HTML/Element/del
page-type: html-element
browser-compat: html.elements.del
---
{{HTMLSidebar}}
The **`<del>`** [HTML](/en-US/docs/Web/HTML) element represents a range of text that has been deleted from a document. This can be used when rendering "track changes" o... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/dd/index.md | ---
title: "<dd>: The Description Details element"
slug: Web/HTML/Element/dd
page-type: html-element
browser-compat: html.elements.dd
---
{{HTMLSidebar}}
The **`<dd>`** [HTML](/en-US/docs/Web/HTML) element provides the description, definition, or value for the preceding term ({{HTMLElement("dt")}}) in a description l... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/canvas/index.md | ---
title: "<canvas>: The Graphics Canvas element"
slug: Web/HTML/Element/canvas
page-type: html-element
browser-compat: html.elements.canvas
---
{{HTMLSidebar}}
Use the **HTML `<canvas>` element** with either the [canvas scripting API](/en-US/docs/Web/API/Canvas_API) or the [WebGL API](/en-US/docs/Web/API/WebGL_API)... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/slot/index.md | ---
title: "<slot>: The Web Component Slot element"
slug: Web/HTML/Element/slot
page-type: html-element
browser-compat: html.elements.slot
---
{{HTMLSidebar}}
The **`<slot>`** [HTML](/en-US/docs/Web/HTML) element—part of the [Web Components](/en-US/docs/Web/API/Web_components) technology suite—is a placeholder inside... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/col/index.md | ---
title: "<col>: The Table Column element"
slug: Web/HTML/Element/col
page-type: html-element
browser-compat: html.elements.col
---
{{HTMLSidebar}}
The **`<col>`** [HTML](/en-US/docs/Web/HTML) element defines one or more columns in a column group represented by its parent {{HTMLElement("colgroup")}} element. The `<... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/ruby/index.md | ---
title: "<ruby>: The Ruby Annotation element"
slug: Web/HTML/Element/ruby
page-type: html-element
browser-compat: html.elements.ruby
---
{{HTMLSidebar}}
The **`<ruby>`** [HTML](/en-US/docs/Web/HTML) element represents small annotations that are rendered above, below, or next to base text, usually used for showing ... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/sup/index.md | ---
title: "<sup>: The Superscript element"
slug: Web/HTML/Element/sup
page-type: html-element
browser-compat: html.elements.sup
---
{{HTMLSidebar}}
The **`<sup>`** [HTML](/en-US/docs/Web/HTML) element specifies inline text which is to be displayed as superscript for solely typographical reasons. Superscripts are usu... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/time/index.md | ---
title: "<time>: The (Date) Time element"
slug: Web/HTML/Element/time
page-type: html-element
browser-compat: html.elements.time
---
{{HTMLSidebar}}
The **`<time>`** [HTML](/en-US/docs/Web/HTML) element represents a specific period in time. It may include the `datetime` attribute to translate dates into machine-re... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/dt/index.md | ---
title: "<dt>: The Description Term element"
slug: Web/HTML/Element/dt
page-type: html-element
browser-compat: html.elements.dt
---
{{HTMLSidebar}}
The **`<dt>`** [HTML](/en-US/docs/Web/HTML) element specifies a term in a description or definition list, and as such must be used inside a {{HTMLElement("dl")}} eleme... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/tr/index.md | ---
title: "<tr>: The Table Row element"
slug: Web/HTML/Element/tr
page-type: html-element
browser-compat: html.elements.tr
---
{{HTMLSidebar}}
The **`<tr>`** [HTML](/en-US/docs/Web/HTML) element defines a row of cells in a table. The row's cells can then be established using a mix of {{HTMLElement("td")}} (data cell... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/cite/index.md | ---
title: "<cite>: The Citation element"
slug: Web/HTML/Element/cite
page-type: html-element
browser-compat: html.elements.cite
---
{{HTMLSidebar}}
The **`<cite>`** [HTML](/en-US/docs/Web/HTML) element is used to mark up the title of a cited creative work. The reference may be in an abbreviated form according to con... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/small/index.md | ---
title: "<small>: the side comment element"
slug: Web/HTML/Element/small
page-type: html-element
browser-compat: html.elements.small
---
{{HTMLSidebar}}
The **`<small>`** [HTML](/en-US/docs/Web/HTML) element represents side-comments and small print, like copyright and legal text, independent of its styled presenta... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/big/index.md | ---
title: "<big>: The Bigger Text element"
slug: Web/HTML/Element/big
page-type: html-element
status:
- deprecated
browser-compat: html.elements.big
---
{{HTMLSidebar}}{{deprecated_header}}
The **`<big>`** [HTML](/en-US/docs/Web/HTML) deprecated element renders the enclosed text at a font size one level larger tha... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/img/index.md | ---
title: "<img>: The Image Embed element"
slug: Web/HTML/Element/img
page-type: html-element
browser-compat: html.elements.img
---
{{HTMLSidebar}}
The **`<img>`** [HTML](/en-US/docs/Web/HTML) element embeds an image into the document.
{{EmbedInteractiveExample("pages/tabbed/img.html", "tabbed-standard")}}
The abo... | 0 |
data/mdn-content/files/en-us/web/html/element | data/mdn-content/files/en-us/web/html/element/s/index.md | ---
title: "<s>: The Strikethrough element"
slug: Web/HTML/Element/s
page-type: html-element
browser-compat: html.elements.s
---
{{HTMLSidebar}}
The **`<s>`** [HTML](/en-US/docs/Web/HTML) element renders text with a strikethrough, or a line through it. Use the `<s>` element to represent things that are no longer rele... | 0 |
data/mdn-content/files/en-us/web/html | data/mdn-content/files/en-us/web/html/content_categories/index.md | ---
title: Content categories
slug: Web/HTML/Content_categories
page-type: guide
---
{{HTMLSidebar}}
Most [HTML](/en-US/docs/Web/HTML) elements are a member of one or more **content categories** — these categories group elements that share common characteristics. This is a loose grouping (it doesn't actually create a... | 0 |
data/mdn-content/files/en-us/web/html | data/mdn-content/files/en-us/web/html/attributes/index.md | ---
title: HTML attribute reference
slug: Web/HTML/Attributes
page-type: landing-page
---
{{HTMLSidebar("Attributes")}}
Elements in HTML have **attributes**; these are additional values that configure the elements or adjust their behavior in various ways to meet the criteria the users want.
## Attribute list
<table... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/crossorigin/index.md | ---
title: "HTML attribute: crossorigin"
slug: Web/HTML/Attributes/crossorigin
page-type: html-attribute
browser-compat:
- html.elements.img.crossorigin
- html.elements.link.crossorigin
- html.elements.script.crossorigin
- html.elements.video.crossorigin
spec-urls: https://html.spec.whatwg.org/multipage/urls-an... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/elementtiming/index.md | ---
title: "HTML attribute: elementtiming"
slug: Web/HTML/Attributes/elementtiming
page-type: html-attribute
---
{{HTMLSidebar}}
The **`elementtiming`** attribute is used to indicate that an element is flagged for tracking by {{domxref("PerformanceObserver")}} objects using the `"element"` type. For more details, see... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/placeholder/index.md | ---
title: "HTML attribute: placeholder"
slug: Web/HTML/Attributes/placeholder
page-type: html-attribute
browser-compat:
- html.elements.input.placeholder
- html.elements.textarea.placeholder
---
{{HTMLSidebar}}
The **`placeholder`** attribute defines the text displayed in a form control when the control has no v... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/multiple/index.md | ---
title: "HTML attribute: multiple"
slug: Web/HTML/Attributes/multiple
page-type: html-attribute
spec-urls: https://html.spec.whatwg.org/multipage/input.html#attr-input-multiple
---
{{HTMLSidebar}}
The Boolean **`multiple`** attribute, if set, means the form control accepts one or more values. Valid for the {{HTMLE... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/step/index.md | ---
title: "HTML attribute: step"
slug: Web/HTML/Attributes/step
page-type: html-attribute
browser-compat: html.elements.input.step
---
{{HTMLSidebar}}
The **`step`** attribute is a number that specifies the granularity that the value must adhere to or the keyword `any`. It is valid for the numeric input types, inclu... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/maxlength/index.md | ---
title: "HTML attribute: maxlength"
slug: Web/HTML/Attributes/maxlength
page-type: html-attribute
browser-compat:
- html.elements.input.maxlength
- html.elements.textarea.maxlength
---
{{HTMLSidebar}}
The **`maxlength`** attribute defines the maximum [string length](/en-US/docs/Web/JavaScript/Reference/Global_... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/autocomplete/index.md | ---
title: "HTML attribute: autocomplete"
slug: Web/HTML/Attributes/autocomplete
page-type: html-attribute
browser-compat: html.global_attributes.autocomplete
---
{{HTMLSidebar}}
The HTML `autocomplete` attribute lets web developers specify what if any permission the {{Glossary("user agent")}} has to provide automate... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/disabled/index.md | ---
title: "HTML attribute: disabled"
slug: Web/HTML/Attributes/disabled
page-type: html-attribute
browser-compat:
- html.elements.button.disabled
- html.elements.fieldset.disabled
- html.elements.input.disabled
- html.elements.optgroup.disabled
- html.elements.option.disabled
- html.elements.select.disable... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/required/index.md | ---
title: "HTML attribute: required"
slug: Web/HTML/Attributes/required
page-type: html-attribute
---
{{HTMLSidebar}}
The [Boolean](/en-US/docs/Glossary/Boolean/HTML) **`required`** attribute, if present, indicates that the user must specify a value for the input before the owning form can be submitted.
The `requir... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/capture/index.md | ---
title: "HTML attribute: capture"
slug: Web/HTML/Attributes/capture
page-type: html-attribute
browser-compat: html.elements.input.capture
---
{{HTMLSidebar}}
The **`capture`** attribute specifies that, optionally, a new file should be captured, and which device should be used to capture that new media of a type de... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/for/index.md | ---
title: "HTML attribute: for"
slug: Web/HTML/Attributes/for
page-type: html-attribute
browser-compat:
- html.elements.label.for
- html.elements.output.for
---
{{HTMLSidebar}}
The **`for`** attribute is an allowed attribute for {{htmlelement("label")}} and {{htmlelement("output")}}. When used on a `<label>` ele... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/size/index.md | ---
title: "HTML attribute: size"
slug: Web/HTML/Attributes/size
page-type: html-attribute
browser-compat: html.elements.attribute.size
---
{{HTMLSidebar}}
The **`size`** attribute defines the width of the {{htmlelement('input')}} and the height of the {{htmlelement('select')}} element. For the `input`, if the `type`... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/readonly/index.md | ---
title: "HTML attribute: readonly"
slug: Web/HTML/Attributes/readonly
page-type: html-attribute
browser-compat:
- html.elements.input.readonly
- html.elements.textarea.readonly
---
{{HTMLSidebar}}
The Boolean **`readonly`** attribute, when present, makes the element not mutable, meaning the user can not edit t... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/min/index.md | ---
title: "HTML attribute: min"
slug: Web/HTML/Attributes/min
page-type: html-attribute
browser-compat:
- html.elements.input.min
- html.elements.meter.min
---
{{HTMLSidebar}}
The **`min`** attribute defines the minimum value that is acceptable and valid for the input containing the attribute. If the [`value`](/... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/accept/index.md | ---
title: "HTML attribute: accept"
slug: Web/HTML/Attributes/accept
page-type: html-attribute
browser-compat: html.elements.input.accept
---
{{HTMLSidebar}}
The **`accept`** attribute takes as its value a comma-separated list of one or more file types, or [unique file type specifiers](#unique_file_type_specifiers), ... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/dirname/index.md | ---
title: "HTML attribute: dirname"
slug: Web/HTML/Attributes/dirname
page-type: html-attribute
browser-compat:
- html.elements.textarea.dirname
- html.elements.input.dirname
---
{{HTMLSidebar}}
The **`dirname`** attribute can be used on {{htmlelement("textarea")}} and {{htmlelement("input")}} elements and descr... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/rel/index.md | ---
title: "HTML attribute: rel"
slug: Web/HTML/Attributes/rel
page-type: html-attribute
browser-compat:
- html.elements.link.rel
- html.elements.a.rel
- html.elements.area.rel
---
{{HTMLSidebar}}
The **`rel`** attribute defines the relationship between a linked resource and the current document. Valid on {{htm... | 0 |
data/mdn-content/files/en-us/web/html/attributes/rel | data/mdn-content/files/en-us/web/html/attributes/rel/me/index.md | ---
title: rel=me
slug: Web/HTML/Attributes/rel/me
page-type: html-attribute-value
browser-compat: html.elements.link.rel.me
---
{{HTMLSidebar}}
The **`me`** keyword for the [`rel`](/en-US/docs/Web/HTML/Element/link#rel) attribute of the {{HTMLElement("link")}} and {{HTMLElement("a")}} elements indicates that the cur... | 0 |
data/mdn-content/files/en-us/web/html/attributes/rel | data/mdn-content/files/en-us/web/html/attributes/rel/noopener/index.md | ---
title: rel=noopener
slug: Web/HTML/Attributes/rel/noopener
page-type: html-attribute-value
browser-compat: html.elements.a.rel.noopener
---
{{HTMLSidebar}}
The **`noopener`** keyword for the [`rel`](/en-US/docs/Web/HTML/Attributes/rel) attribute of the {{HTMLElement("a")}}, {{HTMLElement("area")}}, and {{HTMLElem... | 0 |
data/mdn-content/files/en-us/web/html/attributes/rel | data/mdn-content/files/en-us/web/html/attributes/rel/preconnect/index.md | ---
title: rel=preconnect
slug: Web/HTML/Attributes/rel/preconnect
page-type: html-attribute-value
browser-compat: html.elements.link.rel.preconnect
---
{{HTMLSidebar}}
The **`preconnect`** keyword for the [`rel`](/en-US/docs/Web/HTML/Element/link#rel) attribute of the {{HTMLElement("link")}} element is a hint to bro... | 0 |
data/mdn-content/files/en-us/web/html/attributes/rel | data/mdn-content/files/en-us/web/html/attributes/rel/noreferrer/index.md | ---
title: rel=noreferrer
slug: Web/HTML/Attributes/rel/noreferrer
page-type: html-attribute-value
browser-compat: html.elements.a.rel.noreferrer
---
{{HTMLSidebar}}
The **`noreferrer`** keyword for the [`rel`](/en-US/docs/Web/HTML/Attributes/rel) attribute of the {{HTMLElement("a")}}, {{HTMLElement("area")}}, and {{... | 0 |
data/mdn-content/files/en-us/web/html/attributes/rel | data/mdn-content/files/en-us/web/html/attributes/rel/manifest/index.md | ---
title: rel=manifest
slug: Web/HTML/Attributes/rel/manifest
page-type: html-attribute-value
status:
- experimental
browser-compat: html.elements.link.rel.manifest
---
{{HTMLSidebar}}{{SeeCompatTable}}
The **`manifest`** keyword for the [`rel`](/en-US/docs/Web/HTML/Element/link#rel) attribute of the {{HTMLElement... | 0 |
data/mdn-content/files/en-us/web/html/attributes/rel | data/mdn-content/files/en-us/web/html/attributes/rel/prefetch/index.md | ---
title: rel=prefetch
slug: Web/HTML/Attributes/rel/prefetch
page-type: html-attribute-value
browser-compat: html.elements.link.rel.prefetch
---
{{HTMLSidebar}}
The **`prefetch`** keyword for the [`rel`](/en-US/docs/Web/HTML/Element/link#rel) attribute of the {{HTMLElement("link")}} element provides a hint to brows... | 0 |
data/mdn-content/files/en-us/web/html/attributes/rel | data/mdn-content/files/en-us/web/html/attributes/rel/preload/index.md | ---
title: rel=preload
slug: Web/HTML/Attributes/rel/preload
page-type: html-attribute-value
browser-compat: html.elements.link.rel.preload
---
{{HTMLSidebar}}
The `preload` value of the {{htmlelement("link")}} element's [`rel`](/en-US/docs/Web/HTML/Element/link#rel) attribute lets you declare fetch requests in the
H... | 0 |
data/mdn-content/files/en-us/web/html/attributes/rel | data/mdn-content/files/en-us/web/html/attributes/rel/dns-prefetch/index.md | ---
title: rel=dns-prefetch
slug: Web/HTML/Attributes/rel/dns-prefetch
page-type: html-attribute-value
browser-compat: html.elements.link.rel.dns-prefetch
---
{{HTMLSidebar}}
The **`dns-prefetch`** keyword for the [`rel`](/en-US/docs/Web/HTML/Element/link#rel) attribute of the {{HTMLElement("link")}} element is a hin... | 0 |
data/mdn-content/files/en-us/web/html/attributes/rel | data/mdn-content/files/en-us/web/html/attributes/rel/prerender/index.md | ---
title: rel=prerender
slug: Web/HTML/Attributes/rel/prerender
page-type: html-attribute-value
status:
- deprecated
- non-standard
browser-compat: html.elements.link.rel.prerender
---
{{HTMLSidebar}}{{Deprecated_Header}}{{Non-standard_header}}
The **`prerender`** keyword for the [`rel`](/en-US/docs/Web/HTML/Ele... | 0 |
data/mdn-content/files/en-us/web/html/attributes/rel | data/mdn-content/files/en-us/web/html/attributes/rel/modulepreload/index.md | ---
title: rel=modulepreload
slug: Web/HTML/Attributes/rel/modulepreload
page-type: html-attribute-value
browser-compat: html.elements.link.rel.modulepreload
---
{{HTMLSidebar}}
The **`modulepreload`** keyword, for the [`rel`](/en-US/docs/Web/HTML/Attributes/rel) attribute of the {{HTMLElement("link")}} element, prov... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/minlength/index.md | ---
title: "HTML attribute: minlength"
slug: Web/HTML/Attributes/minlength
page-type: html-attribute
browser-compat:
- html.elements.input.minlength
- html.elements.textarea.minlength
---
{{HTMLSidebar}}
The **`minlength`** attribute defines the minimum [string length](/en-US/docs/Web/JavaScript/Reference/Global_... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/pattern/index.md | ---
title: "HTML attribute: pattern"
slug: Web/HTML/Attributes/pattern
page-type: html-attribute
browser-compat: html.elements.input.pattern
---
{{HTMLSidebar}}
The **`pattern`** attribute specifies a [regular expression](/en-US/docs/Web/JavaScript/Guide/Regular_expressions) the form control's value should match. If ... | 0 |
data/mdn-content/files/en-us/web/html/attributes | data/mdn-content/files/en-us/web/html/attributes/max/index.md | ---
title: "HTML attribute: max"
slug: Web/HTML/Attributes/max
page-type: html-attribute
browser-compat:
- html.elements.input.max
- html.elements.meter.max
- html.elements.progress.max
---
{{HTMLSidebar}}
The **`max`** attribute defines the maximum value that is acceptable and valid for the input containing th... | 0 |
data/mdn-content/files/en-us/web/html | data/mdn-content/files/en-us/web/html/date_and_time_formats/index.md | ---
title: Date and time formats used in HTML
slug: Web/HTML/Date_and_time_formats
page-type: guide
---
{{HTMLSidebar}}
Certain HTML elements use date and/or time values. The formats of the strings that specify these values are described in this article.
Elements that use such formats include certain forms of the {{... | 0 |
data/mdn-content/files/en-us/web/html | data/mdn-content/files/en-us/web/html/viewport_meta_tag/index.md | ---
title: Viewport meta tag
slug: Web/HTML/Viewport_meta_tag
page-type: guide
spec-urls: https://drafts.csswg.org/css-viewport/#viewport-meta
---
{{HTMLSidebar}}
This article describes how to use the "viewport" `<meta>` tag to control the viewport's size and shape.
## Background
The browser's {{glossary("viewport"... | 0 |
data/mdn-content/files/en-us/web/html | data/mdn-content/files/en-us/web/html/reference/index.md | ---
title: HTML reference
slug: Web/HTML/Reference
page-type: landing-page
---
{{HTMLSidebar}}
This [HTML](/en-US/docs/Web/HTML) reference describes all **elements** and **attributes** of HTML, including **global attributes** that apply to all elements.
- [HTML element reference](/en-US/docs/Web/HTML/Element)
- : ... | 0 |
data/mdn-content/files/en-us/web/html | data/mdn-content/files/en-us/web/html/global_attributes/index.md | ---
title: Global attributes
slug: Web/HTML/Global_attributes
page-type: landing-page
browser-compat: html.global_attributes
---
{{HTMLSidebar("Global_attributes")}}
**Global attributes** are attributes common to all HTML elements; they can be used on all elements, though they may have no effect on some elements.
Gl... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/hidden/index.md | ---
title: hidden
slug: Web/HTML/Global_attributes/hidden
page-type: html-attribute
browser-compat: html.global_attributes.hidden
---
{{HTMLSidebar("Global_attributes")}}
The **`hidden`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is an {{Glossary("enumerated")}} attribute indicating that the browser ... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/spellcheck/index.md | ---
title: spellcheck
slug: Web/HTML/Global_attributes/spellcheck
page-type: html-attribute
browser-compat: html.global_attributes.spellcheck
---
{{HTMLSidebar("Global_attributes")}}
The **`spellcheck`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is an [enumerated](/en-US/docs/Glossary/Enumerated) att... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/dir/index.md | ---
title: dir
slug: Web/HTML/Global_attributes/dir
page-type: html-attribute
browser-compat: html.global_attributes.dir
---
{{HTMLSidebar("Global_attributes")}}
The **`dir`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is an [enumerated](/en-US/docs/Glossary/Enumerated) attribute that indicates the di... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/title/index.md | ---
title: title
slug: Web/HTML/Global_attributes/title
page-type: html-attribute
browser-compat: html.global_attributes.title
---
{{HTMLSidebar("Global_attributes")}}
The **`title`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) contains text representing advisory information related to the element it b... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/itemref/index.md | ---
title: itemref
slug: Web/HTML/Global_attributes/itemref
page-type: html-attribute
browser-compat: html.global_attributes.itemref
---
{{HTMLSidebar("Global_attributes")}}
Properties that are not descendants of an element with the [`itemscope`](/en-US/docs/Web/HTML/Global_attributes/itemscope) attribute can be asso... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/itemid/index.md | ---
title: itemid
slug: Web/HTML/Global_attributes/itemid
page-type: html-attribute
browser-compat: html.global_attributes.itemid
---
{{HTMLSidebar("Global_attributes")}}
The **`itemid`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) provides microdata in the form of a unique, global identifier of an ite... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/popover/index.md | ---
title: popover
slug: Web/HTML/Global_attributes/popover
page-type: html-attribute
browser-compat: html.global_attributes.popover
---
{{HTMLSidebar("Global_attributes")}}
The **`popover`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is used to designate an element as a popover element.
Popover elem... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/nonce/index.md | ---
title: nonce
slug: Web/HTML/Global_attributes/nonce
page-type: html-attribute
browser-compat: html.global_attributes.nonce
---
{{HTMLSidebar("Global_attributes")}}
The **`nonce`** [global attribute](/en-US/docs/Web/HTML/Global_attributes)
is a content attribute defining a cryptographic nonce ("number used once") ... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/enterkeyhint/index.md | ---
title: enterkeyhint
slug: Web/HTML/Global_attributes/enterkeyhint
page-type: html-attribute
browser-compat: html.global_attributes.enterkeyhint
---
{{HTMLSidebar("Global_attributes")}}
The **`enterkeyhint`** [global attribute](/en-US/docs/Web/HTML/Global_attributes)
is an [enumerated](/en-US/docs/Glossary/Enumera... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/contenteditable/index.md | ---
title: contenteditable
slug: Web/HTML/Global_attributes/contenteditable
page-type: html-attribute
browser-compat: html.global_attributes.contenteditable
---
{{HTMLSidebar("Global_attributes")}}
The **`contenteditable`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is an enumerated attribute indicati... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/class/index.md | ---
title: class
slug: Web/HTML/Global_attributes/class
page-type: html-attribute
browser-compat: html.global_attributes.class
---
{{HTMLSidebar("Global_attributes")}}
The **`class`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is a space-separated list of the case-sensitive classes of the element. Cla... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/style/index.md | ---
title: style
slug: Web/HTML/Global_attributes/style
page-type: html-attribute
browser-compat: html.global_attributes.style
---
{{HTMLSidebar("Global_attributes")}}
The **`style`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) contains [CSS](/en-US/docs/Web/CSS) styling declarations to be applied to t... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/exportparts/index.md | ---
title: exportparts
slug: Web/HTML/Global_attributes/exportparts
page-type: html-attribute
browser-compat: html.global_attributes.exportparts
---
{{HTMLSidebar("Global_attributes")}}
The **`exportparts`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) allows you to select and style elements existing in... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/tabindex/index.md | ---
title: tabindex
slug: Web/HTML/Global_attributes/tabindex
page-type: html-attribute
browser-compat: html.global_attributes.tabindex
---
{{HTMLSidebar("Global_attributes")}}
The **`tabindex`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) allows developers to make HTML elements focusable, allow or pre... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/lang/index.md | ---
title: lang
slug: Web/HTML/Global_attributes/lang
page-type: html-attribute
browser-compat: html.global_attributes.lang
---
{{HTMLSidebar("Global_attributes")}}
The **`lang`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) helps define the language of an element: the language that non-editable element... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/itemprop/index.md | ---
title: itemprop
slug: Web/HTML/Global_attributes/itemprop
page-type: html-attribute
browser-compat: html.global_attributes.itemprop
---
{{HTMLSidebar("Global_attributes")}}
The **`itemprop`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is used to add properties to an item. Every HTML element can ha... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/autofocus/index.md | ---
title: autofocus
slug: Web/HTML/Global_attributes/autofocus
page-type: html-attribute
browser-compat: html.global_attributes.autofocus
---
{{HTMLSidebar("Global_attributes")}}
The **`autofocus`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is a Boolean attribute indicating that an element should be... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/translate/index.md | ---
title: translate
slug: Web/HTML/Global_attributes/translate
page-type: html-attribute
browser-compat: html.global_attributes.translate
---
{{HTMLSidebar("Global_attributes")}}
The **`translate`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is an [enumerated](/en-US/docs/Glossary/Enumerated) attribu... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/part/index.md | ---
title: part
slug: Web/HTML/Global_attributes/part
page-type: html-attribute
browser-compat: html.global_attributes.part
---
{{HTMLSidebar("Global_attributes")}}
The **`part`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) contains a space-separated list of the part names of the element. Part names al... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/is/index.md | ---
title: is
slug: Web/HTML/Global_attributes/is
page-type: html-attribute
browser-compat: html.global_attributes.is
---
{{HTMLSidebar("Global_attributes")}}
The **`is`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) allows you to specify that a standard HTML element should behave like a defined custom ... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/itemscope/index.md | ---
title: itemscope
slug: Web/HTML/Global_attributes/itemscope
page-type: html-attribute
browser-compat: html.global_attributes.itemscope
---
{{HTMLSidebar("Global_attributes")}}
**`itemscope`** is a boolean [global attribute](/en-US/docs/Web/HTML/Global_attributes) that defines the scope of associated metadata. Spe... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/virtualkeyboardpolicy/index.md | ---
title: virtualkeyboardpolicy
slug: Web/HTML/Global_attributes/virtualkeyboardpolicy
page-type: html-attribute
status:
- experimental
browser-compat: html.global_attributes.virtualkeyboardpolicy
---
{{HTMLSidebar("Global_attributes")}}{{SeeCompatTable}}
The **`virtualkeyboardpolicy`** [global attribute](/en-US/d... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/data-_star_/index.md | ---
title: data-*
slug: Web/HTML/Global_attributes/data-*
page-type: html-attribute
browser-compat: html.global_attributes.data_attributes
---
{{HTMLSidebar("Global_attributes")}}
The **`data-*`** [global attributes](/en-US/docs/Web/HTML/Global_attributes) form a class of attributes called **custom data attributes**,... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/id/index.md | ---
title: id
slug: Web/HTML/Global_attributes/id
page-type: html-attribute
browser-compat: html.global_attributes.id
---
{{HTMLSidebar("Global_attributes")}}
The **`id`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) defines an identifier (ID) which must be unique in the whole document. Its purpose is t... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/itemtype/index.md | ---
title: itemtype
slug: Web/HTML/Global_attributes/itemtype
page-type: html-attribute
browser-compat: html.global_attributes.itemtype
---
{{HTMLSidebar("Global_attributes")}}
The [global attribute](/en-US/docs/Web/HTML/Global_attributes) **`itemtype`** specifies the URL of the vocabulary that will be used to define... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/contextmenu/index.md | ---
title: contextmenu
slug: Web/HTML/Global_attributes/contextmenu
page-type: html-attribute
status:
- deprecated
- non-standard
browser-compat: html.global_attributes.contextmenu
---
{{HTMLSidebar("Global_attributes")}}{{Deprecated_Header}}{{Non-standard_header}}
The **`contextmenu`** [global attribute](/en-US/... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/inert/index.md | ---
title: inert
slug: Web/HTML/Global_attributes/inert
page-type: html-attribute
browser-compat: html.global_attributes.inert
---
{{HTMLSidebar("Global_attributes")}}
The **`inert`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is a Boolean attribute indicating that the browser will ignore the element.... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/accesskey/index.md | ---
title: accesskey
slug: Web/HTML/Global_attributes/accesskey
page-type: html-attribute
browser-compat: html.global_attributes.accesskey
---
{{HTMLSidebar("Global_attributes")}}
The **`accesskey`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) provides a hint for generating a keyboard shortcut for the ... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/draggable/index.md | ---
title: draggable
slug: Web/HTML/Global_attributes/draggable
page-type: html-attribute
browser-compat: html.global_attributes.draggable
---
{{HTMLSidebar("Global_attributes")}}
The **`draggable`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is an [enumerated](/en-US/docs/Glossary/Enumerated) attribu... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/inputmode/index.md | ---
title: inputmode
slug: Web/HTML/Global_attributes/inputmode
page-type: html-attribute
browser-compat: html.global_attributes.inputmode
---
{{HTMLSidebar("Global_attributes")}}
The **`inputmode`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is an [enumerated](/en-US/docs/Glossary/Enumerated) attribu... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/slot/index.md | ---
title: slot
slug: Web/HTML/Global_attributes/slot
page-type: html-attribute
browser-compat: html.global_attributes.slot
---
{{HTMLSidebar("Global_attributes")}}
The **`slot`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) assigns a slot in a [shadow DOM](/en-US/docs/Web/API/Web_components/Using_shado... | 0 |
data/mdn-content/files/en-us/web/html/global_attributes | data/mdn-content/files/en-us/web/html/global_attributes/autocapitalize/index.md | ---
title: autocapitalize
slug: Web/HTML/Global_attributes/autocapitalize
page-type: html-attribute
browser-compat: html.global_attributes.autocapitalize
---
{{HTMLSidebar("Global_attributes")}}
The **`autocapitalize`** [global attribute](/en-US/docs/Web/HTML/Global_attributes) is an [enumerated](/en-US/docs/Glossary... | 0 |
data/mdn-content/files/en-us/web/html | data/mdn-content/files/en-us/web/html/constraint_validation/index.md | ---
title: Constraint validation
slug: Web/HTML/Constraint_validation
page-type: guide
---
{{HTMLSidebar}}
The creation of web forms has always been a complex task. While marking up the form itself is easy, checking whether each field has a valid and coherent value is more difficult, and informing the user about the ... | 0 |
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