pluignsinJquery.js

/*
https://www.ostraining.com/blog/coding/custom-jquery-plugin/
my first plugin in Jquery
*/
(function ($) {
   $.fn.hello = function (options) {
   //Default options
   var myname = $.extend({
   name: 'Gilbert'
   color: 'green'
   }, options );
   //Appy options 
   return this.append('hello ' + myname.name + '!'.css({ color: myname.color });
   };

}( jQuery ));