Code Formatting

Visual Studio provides basic support for HTML programming out of the box. There is syntax highlighting, smart completions with IntelliSense, and customizable formatting. VS also includes great Emmet tư vấn.

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As you type in HTML, we offer suggestions via HTML IntelliSense. In the image below, you can see a suggested HTML element closure
as well as a context specific danh mục of suggested elements.


Document symbols are also available for HTML, allowing you to lớn quickly navigate khổng lồ DOM nodes by id và class name.

You can also work with embedded CSS and JavaScript. However, note that script và style includes from other files are not followed, the language tư vấn only looks at the content of the HTML tệp tin.

You can trigger suggestions at any time by pressing ⌃Space (Windows, Linux Ctrl+Space).

You can also control which built-in completion providers are active sầu. Override these in your user or workspace settings if you prefer not to lớn see the corresponding suggestions.

// Configures if the built-in HTML language suggests HTML5 tags, properties and values."html.suggest.html5": true

Cthua thảm tags

Tag elements are automatically closed when > of the opening tag is typed.


The matching closing tag is inserted when / of the closing tag is entered.


You can turn off autoclosing tags with the following setting:

"html.autoClosingTags": false

Aukhổng lồ update tags

When modifying a tag, the linked editing feature automatically updates the matching closing tag. The feature is optional và can be enabled by setting:

"editor.linkedEditing": true

Color picker

The VS color picker UI is now available in HTML style sections.


It supports configuration of hue, saturation and opathành phố for the color that is picked up from the editor. It also provides the ability to lớn trigger between different color modes by clicking on the color string at the top of the picker. The picker appears on a hover when you are over a color definition.


Move sầu the mouse over HTML tags or embedded styles and JavaScript to lớn get more information on the symbol under the cursor.



The HTML language support performs validation on all embedded JavaScript và CSS.

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You can turn that validation off with the following settings:

// Configures if the built-in HTML language tư vấn validates embedded scripts."html.validate.scripts": true,// Configures if the built-in HTML language tư vấn validates embedded styles."html.validate.styles": true


You can fold regions of source using the folding icons on the gutter between line numbers & line start. Folding regions are available for all HTML elements for multiline comments in the source

Additionally you can use the following region markers to define a folding region: and

If you prefer to lớn switch khổng lồ indentation based folding for HTML use:


To improve the formatting of your HTML source, you can use the Format Document command ⇧⌥F (Windows Shift+Alt+F, Linux Ctrl+Shift+I) to lớn format the entire file or Format Selection ⌘K ⌘F (Windows, Linux Ctrl+K Ctrl+F) khổng lồ just format the selected text.

The HTML formatter is based on js-beautify. The formatting options offered by that library are surfaced in the VS settings:

html.format.wrapLineLength: Maximum amount of characters per line.html.format.unformatted: List of tags that shouldn"t be reformatted.html.format.contentUnformatted: List of tags, comma separated, where the content shouldn"t be reformatted.html.format.extraLiners: List of tags that should have sầu an extra newline before them.html.format.preserveNewLines: Whether existing line breaks before elements should be preserved.html.format.maxPreserveNewLines: Maximum number of line breaks to lớn be preserved in one chunk.html.format.endWithNewline: End with a newline.html.format.indentInnerHtml: Indent & sections.html.format.wrapAttributes: Wrapping strategy for attributes:auto: Wrap when the line length is exceededforce: Wrap all attributes, except firstforce-aligned: Wrap all attributes, except first, and align attributesforce-expand-multiline: Wrap all attributesaligned-multiple: Wrap when line length is exceeded, align attributes verticallypreserve: Preserve wrapping of attributespreserve-aligned: Preserve wrapping of attributes but alignhtml.format.wrapAttributesIndentSize: Alignment form size when using force aligned and aligned multiple in html.format.wrapAttributes or null khổng lồ use the default indent form size.html.format.templating: Honor django, erb, handlebars & php templating language tags.html.format.unformattedContentDelimiter: Keep text nội dung together between this string.

Tip: The formatter doesn"t format the tags listed in the html.format.unformatted and html.format.contentUnformatted settings. Embedded JavaScript is formatted unless "script" tags are excluded.

The Marketplace has several alternative formatters to lớn choose from. If you want to lớn use a different formatter, define"html.format.enable": false in your settings to lớn turn off the built-in formatter.

Emmet snippets

VS supports Emmet snippet expansion. Emmet abbreviations are listed along with other suggestions & snippets in the editor auto-completion danh sách.


Tip: See the HTML section of the Emmet cheat sheet for valid abbreviations.

If you"d like lớn use HTML Emmet abbreviations with other languages, you can associate one of the Emmet modes (such as css, html) with other languages with the emmet.includeLanguages setting. The setting takes a language identifier và associates it with the language ID of an Emmet supported mode.

For example, khổng lồ use Emmet HTML abbreviations inside JavaScript:

"emmet.includeLanguages": "javascript": "html" We also tư vấn User Defined Snippets.

HTML custom data

You can extkết thúc VS"s HTML tư vấn through a declarative sầu custom data format. By setting html.customData to a danh sách of JSON files following the custom data format, you can enhance VS"s understanding of new HTML tags, attributes and attribute values. VS will then offer language support such as completion & hover information for the provided tags, attributes và attribute values.

You can read more about using custom data in the repository.

HTML extensions

Install an extension lớn add more functionality. Go to the Extensions view (⇧⌘X (Windows, Linux Ctrl+Shift+X)) & type "html" lớn see a menu of relevant extensions khổng lồ help with creating và editing HTML.