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/* ===================
*
*    Zepto - jQuery 
*    Demo example
*
======================*/  
(function($){
  $.extend($.fn, {
    // plugin say init
    say:function(options){
      return this.each(function(){  
        var self = $(this);
        // defaults
        var defaults = {name:'Bob'}
        // extend defaults
        var opt = $.extend(defaults, options);  
        // replace text
        self.html(opt.name);
      });
    }
  });
})(window.Zepto || window.jQuery);




// show link
$('.say').say();

<a class="say" href="/about/">About</a>