Best jQuery plugin example yet

Init.js

$(function() {
  var $document = $(document);
  $document.trigger('domloaded', $document);

  $('.someselector').load('/my/url', function(nodes) {
    $document.trigger('ajax_loaded', nodes);
  });
});

jQueryPluginTemplate.js

;(function ($, doc, win) {
    "use strict";

    var name = 'js-widget';

    function Widget(el, opts) {
        this.$el = $(el);
        this.$el.data(name, this);

        this.defaults = {
            optionA: 'someOption',
            optionB: 'someOtherOption'
        };

        var meta = this.$el.data(name + '-opts');
        this.opts = $.extend(this.defaults, opts, meta);

        this.$header = this.$el.find('.header');
        this.$body = this.$el.find('.body');

        this.init();
    }

    Widget.prototype.init = function () {
        var self = this;

        this.$header.on('click.' + name, '.title', function (e) {
            e.preventDefault();

            self.editTitle();
        });

        this.$header.on('change.' + name, 'select', function (e) {
            e.preventDefault();

            self.saveTitle();
        });
    };

    Widget.prototype.editTitle = function () {
        this.$header.addClass('editing');
    };

    Widget.prototype.saveTitle = function () {
        var val = this.$header.find('.title').val();
        // save val to database

        this.$header.removeClass('editing');
    };

    Widget.prototype.destroy = function () {
        this.$el.off('.' + name);
        this.$el.find('*').off('.' + name);
        this.$el.removeData(name);
        this.$el = null;
    };

    $.fn.widget = function (opts) {
        return this.each(function () {
            new Widget(this, opts);
        });
    };

    $(doc).on('dom_loaded ajax_loaded', function (e, nodes) {
        var $nodes = $(nodes);
        var $elements = $nodes.find('.' + name);
        $elements = $elements.add($nodes.filter('.' + name));

        $elements.widget();
    });
    
})(jQuery, document, window);