elink12, еще вариант с полноценным джеквери бойлепрелтом.
<!DOCTYPE html>
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<head>
  <meta charset="UTF-8">
  <title>Document</title>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
</head>
<body>
  
  <script>
    ;(function ( $, window, undefined ) {
      var pluginName = 'Plugin',
          document = window.document,
          defaults = {
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      function Plugin( element, options ) {
        this.element = element;
        this.options = $.extend( {}, defaults, options) ;
        this._defaults = defaults;
        this._name = pluginName;
        this.init();
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      Plugin.prototype = {
          init: function (e) {
            *!*
            $(this.element).click($.proxy(this.click, this));
            */!*
          },
          click : function(){
            console.log(this.options);
          }
      };
      $.fn[pluginName] = function ( options ) {
        return this.each(function () {
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    }(jQuery, window));
    $(function() {
     $('#alert').Plugin({color:'green'});
     $('#alert1').Plugin({color:'red'});
    });
  </script>
  <div id='alert'>alert</div>
  <div id='alert1'>alert1</div>
</body>
</html>