When to use document.implementation.createHTMLDocument?

Question

What are some use cases and is it deprecated? As I found out at http://groups.google.com/group/envjs/browse_thread/thread/6c22d0f959666009/c389fc11537f2a97 that it\'s \"non-

Answer 1

Just a cleaner answer besides @Esailija and @Greg answers: This function will create another document outside the tree of current document, and clean all scripts, styles and images from the new document:

function insertDocument (myHTML) {
    var newHTMLDocument = document.implementation.createHTMLDocument().body;
    newHTMLDocument.innerHTML = myHTML;
    [].forEach.call(newHTMLDocument.querySelectorAll("script, style, img"), function(el) {el.remove(); });
    documentsList.push(newHTMLDocument);
    return $(newHTMLDocument.innerHTML);
}

This one is fantastic for making ajax requests and scraping the content will be faster :)