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Document: adoptNode() method - Web APIs | MDN
externalNode
The node from another document to be adopted.
The copied importedNode
in the scope of the importing document.
After calling this method, importedNode
and
externalNode
are the same object.
Note:
importedNode
's
Node.parentNode
is null
, since it has not yet been
inserted into the document tree!
const iframe = document.querySelector("iframe");
const iframeImages = iframe.contentDocument.querySelectorAll("img");
const newParent = document.getElementById("images");
iframeImages.forEach((imgEl) => {
newParent.appendChild(document.adoptNode(imgEl));
});
Before they can be inserted into the current document, nodes from external documents
should either be:
For more on the Node.ownerDocument
issues, see the W3C DOM FAQ .