HTML DOM Meta httpEquiv Property

# Meta httpEquiv Property

Meta Object

## Example

Return the HTTP header for the information in the content attribute:

var x = document.getElementsByTagName("META")[0].httpEquiv;

The result of x will be:

content-type
Try it yourself »

## Definition and Usage

The httpEquiv property sets or returns an HTTP header for the information in the content attribute.

The http-equiv attribute can be used to simulate an HTTP response header.

The value of the http-equiv attribute depends on the value of the content attribute.

Note: If the name attribute is set, the http-equiv attribute should not be set.

## Browser Support

The httpEquiv property is supported in all major browsers.

## Syntax

Return the httpEquiv property:

metaObject.httpEquiv

Set the httpEquiv property:

metaObject.httpEquiv=HTTP-header

Some commonly used HTTP-header values are:

Value | Description
--- | ---
content-type | Specifies the character set for the contents of the document. Tip: It is recommended to always specify the character set. Example: <meta http-equiv="content-type" content="text/html; charset=UTF-8">
default-style | Specifies the preferred style sheet to use. Example: <meta http-equiv="default-style" content="the documents preferred stylesheet"> Note: The value of the content attribute above must match the value of the ttitle attribute on a link element in the same document, or it must match the value of the title attribute on a style element in the same document.
refresh | Defines a time interval for the document to refresh itself. Example: <meta http-equiv="refresh" content="300"> Note: The value "refresh" should be used carefully, as it takes the control of a page away from the user. Using "refresh" will cause a failure in W3C's Web Content Accessibility Guidelines.

## Return Value

Type | Description
--- | ---
String | Information about the HTTP response message header

## More Examples

## Example

Change the value of the http-equiv and content attributes. The following example will refresh the document every 30 seconds:

document.getElementsByTagName("META")[0].httpEquiv = "refresh";
document.getElementsByTagName("META")[0].content = "30";
Try it yourself »

Meta Object

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