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Frame/IFrame contentDocument Property
Frame/IFrame Object
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.
Syntax
frameObject.contentDocument
or
iframeObject.contentDocument
or
iframeObject.contentDocument
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.
Example
Example
Crossbrowser example on how to change the background color of the document contained in an iframe:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<script>
function changeStyle()
{
var x=document.getElementById("myframe");
var y=(x.contentWindow || x.contentDocument);
if (y.document)y=y.document;
y.body.style.backgroundColor="#0000ff";
}
</script>
</head>
<body>
<iframe id="myframe" src="demo_iframe.htm">
<p>Your browser does not support iframes.</p>
</iframe>
<br><br>
<input type="button" onclick="changeStyle()" value="Change background color">
</body>
</html>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<script>
function changeStyle()
{
var x=document.getElementById("myframe");
var y=(x.contentWindow || x.contentDocument);
if (y.document)y=y.document;
y.body.style.backgroundColor="#0000ff";
}
</script>
</head>
<body>
<iframe id="myframe" src="demo_iframe.htm">
<p>Your browser does not support iframes.</p>
</iframe>
<br><br>
<input type="button" onclick="changeStyle()" value="Change background color">
</body>
</html>
Try it yourself »
Frame/IFrame Object
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