If the iframe and the iframe's parent document are Same Origin, returns a Document (that is, the active document in the inline frame's nested browsing context), else returns null.
Example of contentDocument
var iframeDocument = document.getElementsByTagName("iframe")[0].contentDocument;
iframeDocument.body.style.backgroundColor = "blue";
// This would turn the iframe blue.
Specifications
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'HTMLIFrameElement: contentDocument' in that specification. |
Living Standard |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
contentDocument | Chrome Full support 43 | Edge Full support 12 | Firefox Full support Yes | IE Full support 8 | Opera Full support Yes | Safari Full support 10 | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android ? |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown