HTMLIFrameElement: contentDocument property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itās been available across browsers since āØJuly 2015ā©.
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
js
const iframeDocument = document.querySelector("iframe").contentDocument;
iframeDocument.body.style.backgroundColor = "blue";
// This would turn the iframe blue.
Specifications
| Specification |
|---|
| HTML # dom-iframe-contentdocument |