files/en-us/web/api/domimplementation/createhtmldocument/index.md
{{ApiRef("DOM")}}
The
DOMImplementation.createHTMLDocument() method creates a
new HTML {{ domxref("Document") }}.
createHTMLDocument()
createHTMLDocument(title)
title {{optional_inline}}
A new HTML {{domxref("Document")}} object.
This example creates a new HTML document and inserts it into an {{HTMLElement("iframe")}} in the current document.
Here's the HTML for this example:
<button id="create-doc">Create new document</button>
<iframe id="theFrame" src="about:blank"></iframe>
The JavaScript implementation of makeDocument() follows:
function makeDocument() {
const frame = document.getElementById("theFrame");
const doc = document.implementation.createHTMLDocument("New Document");
const p = doc.createElement("p");
p.textContent = "This is a new paragraph.";
try {
doc.body.appendChild(p);
} catch (e) {
console.log(e);
}
// Copy the new HTML document into the frame
const destDocument = frame.contentDocument;
const srcNode = doc.documentElement;
const newNode = destDocument.importNode(srcNode, true);
destDocument.replaceChild(newNode, destDocument.documentElement);
}
document.getElementById("create-doc").addEventListener("click", makeDocument);
The code handles creating the new HTML document and inserting some content
into it. createHTMLDocument() constructs a new HTML document
whose {{ HTMLElement("title") }} is "New Document". Then we create a
new paragraph element with some simple content, and then the new paragraph gets inserted
into the new document.
destDocument stores the contentDocument of the frame; this is the document into
which we'll be injecting the new content. The next two lines handle importing the
contents of our new document into the new document's context. Finally, destDocument.replaceChild actually
replaces the contents of the frame with the new document's contents.
{{EmbedLiveSample("new-doc", "", 200)}}
The returned document is pre-constructed with the following HTML:
<!doctype html>
<html lang="en-US">
<head>
<meta charset="UTF-8" />
<title>title</title>
</head>
<body>
…
</body>
</html>
{{Specifications}}
{{Compat}}