Free Code Camp - Use A Spread Operator On Arrays - SOLUTION !!!

Comprehensive walk-through of Free Code Camp's Challenge, Use A Spread Operator On Arrays , of the Introduction to the Redux's section.

Code is available on

free code camp,freecodecamp,hangouts on air,react,redux,javascript,programming,supremerumham,front end libraries,setstate,reactjs,solution,software,async state,self studying,web development,#hoa,html,html5,web dev,css,es6,coding,fcc,自学,前端库,use spread operator on arrays free code camp,