gistfile1.js

jQuery.fn.log = function (msg) {
   console.log("%s: %o", msg, this);
   return this;
};

// $('selector').log('BEGIN')
//     .css('color', 'red')
//     .log('new value')
//         // etc

// From http://msdn.microsoft.com/en-us/scriptjunkie/ee819093.aspx
// which credits http://happygiraffe.net/blog/2007/09/26/jquery-logging/
// (which is unavailable right now)