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HTML <!-- --> tag

The comment tag (<!-- -->) is used to insert comments in the source code. Comments are not displayed in the browsers.

HTML comments are placed in between <!-- ... --> tags. So, any content placed with-in <!-- ... --> tags will be treated as comment and will be completely ignored by the browser.

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Browser compatibility

The comment element is fully supported by all browsers:

<!-- --> yes yes yes yes yes

Standard Attributes

The comment tag does not support any standard attributes. See HTML Standard Attributes Reference

Global Attributes

The comment tag supports the global attributes described in HTML Global Attributes Reference

Event Attributes

The comment tag supports the event attributes described in HTML Events Reference

More Examples

You can comment multiple lines by the special beginning tag <!-- and ending tag --> placed before the first line and end of the last line as shown in the given example below:

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The following example uses the comment tag to hide scripts from browsers without support for javascript:

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Conditional comments defines some HTML tags to be executed by Internet Explorer only:

Tags: Reference

Last updated: Monday 17 Sep, 2018