HTMLIFrameElement.contentWindow
The contentWindow property returns the Window object of an HTMLIFrameElement. You can use this Window object to access the iframe's document and its internal DOM. This attribute is read-only, but its properties can be manipulated like the global Window object.
Value
A Window object.
Examples
const x = document.querySelector("iframe").contentWindow;
//x = window.frames[0];
x.document.querySelector("body").style.backgroundColor = "blue";
// this would turn the 1st iframe in document blue.
Specifications
| Specification |
|---|
| HTML Standard # dom-iframe-contentwindow |
Browser compatibility
BCD tables only load in the browser