IFrame contentWindow Property

HTML DOM IFrame Object

Definition and Usage

contentWindow The property returns the Window Object.

Tip:Through Window ObjectYou can access Document Objectand then access any element of the document.

Instance

Example 1

Cross-browser examples on how to change the background color of the document contained within 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

Example 2

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

var x = document.getElementById("myframe");
var y = x.contentWindow.document;
y.body.style.backgroundColor = "red";

Try It Yourself

Syntax

iframeObject.contentWindow

Technical Details

Return Value: Reference to the Window Object.

Browser Support

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
Support Support Support Support Support

HTML DOM IFrame Object