Replace WordPress jQuery with Google Hosted Libraries

gistfile1.txt

/**
 * Replace WordPress jQuery with Google Hosted Libraries
 * @author Blackbird Consulting/Jason Chafin
 * @link https://gist.github.com/Herm71/916bc9481f62845ddc97248a871cab4a
 */

function bb_modify_jquery(){
    if (!is_admin()){
 // deregister WordPress JQuery
    wp_deregister_script('jquery');
    //register and enqueue jquery
    wp_register_script('jquery', 'https://ajax.googleapis.com/ajax/libs/jquery/2.2.2/jquery.min.js', null, true); // register the external file  
        wp_enqueue_script('jquery'); // enqueue the external file
}
}

add_action('init','bb_modify_jquery');