HTML DOM IFrame contentDocument Property

# IFrame contentDocument Property

IFrame Object

## Example

A crossbrowser example on how to change the background color of the document contained in an iframe:

var x = document.getElementById("myframe");
var y = (x.contentWindow || x.contentDocument);
if (y.document)y = y.document;
y.body.style.backgroundColor = "red";
Try it yourself »

## Definition and Usage

The contentDocument property returns the Document object generated by a frame or iframe element.

This property can be used in the host window to access the Document object that belongs to a frame or iframe element.

Note: Because of security reasons, the contents of a document can be accessed from another document only if the two documents are located in the same domain.

## Browser Support

The contentDocument property is supported in all major browsers.

Note: Internet Explorer 8 (and higher) supports the contentDocument property only if a !DOCTYPE is specified. For earlier versions of IE, use the contentWindow property.

## Syntax

iframeObject.contentDocument

## Technical Details

Return Value: | A reference to the document object. If there is no document, the returned value is null

## More Examples

## Example

Another example of how to access the document of an iframe to change the background color:

var x = document.getElementById("myframe");
var y = x.contentDocument;
y.body.style.backgroundColor = "red";
Try it yourself »

IFrame Object

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