textFast.js

jQuery.fn.textFast = function(text) {
    if (jQuery.isFunction(text)) {
        return this.each(function(i) {
            var self = jQuery(this);
            self.text(text.call(this, i, self.text()));
        });
    }
    if (typeof text !== "object" && text !== undefined) {
        return this.empty().append((this[0] && this[0].ownerDocument || document).createTextNode(text));
    }
    return jQuery.textFast(this);
};

jQuery.textFast = function(elems) {
    var ret = "",
        elem;

    for (var i = 0; elems[i]; i++) {
        elem = elems[i];
        // this part is new.
        ret += elem.textContent || elem.innerText || jQuery.text( elem.childNodes ); //to fix a scoping issue in IE6 with Sizzle.getText(elem.childNodes);
    }

    return ret;
};