javascript usefull links
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_operator
returns the number of highest value
Math.max(5 , 10); // will return the 10 the highrst value
https://developer.mozilla.org/en-US/docs/Web/API/Window
Reff: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/max
http://code.tutsplus.com/tutorials/an-introduction-to-handlebars--net-27761
http://www.sitepoint.com/overview-javascript-templating-engines/
http://ricostacruz.com/cheatsheets/js-array.html
#ebooks