Boilerplate code for jQuery plugin with debug and logging methods

boilerplate_jQuery_plugin.js

//jQuery.noConflict();
(function($) { // $ is jQuery
    // plugin for yada yada
    $.fn.yadayada = function(options) {
        var defaults = {
            foo : 'bar'
        };
        // Extend our default options with those provided.
        var opts = $.extend({}, defaults, options);
        // Do something to each item
        return this.each(function() {
            var _ = { obj : $(this) };
            // get settings from options
            _.foo = _.obj.find(opts.foo);
            /*
                ... code to return, chained
            */
        });
    };
    // debugging methods
    $.fn.debug = function() {
        return this.each(function(){
            alert(this);
        });
    };
    $.log = function(message) {
        if(window.console) {
             console.debug(message);
        } else {
             alert(message);
        }
    };
    // end plugin
    // Stuff to do as soon as the DOM is ready;
    $(function() {
        var something = $('div.something');
        try {
            if (something.length>0) {
                something.yadayada({ foo: 'no bars' });
            }
        } catch(oops) { $.log(oops); }
    });
})(jQuery);