The document.close()
method finishes writing to a document, opened with document.open().
document.close();
// open a document to write to it. // write the content of the document. // close the document. document.open(); document.write("<p>The one and only content.</p>"); document.close();
DOM Level 2 HTML: close()
Method
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/document/close