Something

// do innerhtml work yourself
$.fn.html = function (value) {
    if (!value) { return this.innerHTML; }

    if (this.tagName.toUpperCase() == 'TITLE') { 
        document.title = value;
    }

    else {
        this.innerHTML = value;
    }
}

// rename original function
$.fn.html_original = $.fn.html;
$.fn.html = function (value) {
    if (this.tagName.toUpperCase() == 'TITLE') { 
        document.title = value;
    }
    
    else {
        this.html_original(value);
    }
}