jQuery example that gets/sets text nodes in html

gistfile1.js

// jQuery example that gets/sets text nodes in html

// wrap all direct child text nodes
$html.contents().filter(function() { 
    //Node.TEXT_NODE === 3
    return (this.nodeType === 3);
}).each(function () {
    this.nodeValue = $.trim(this.nodeValue);
    if (this.nodeValue.length > 0) {
        $(this).wrap("<p></p>");
    }
});