var fullnames =["george bush","barrack obama","donald trump"]
and return
var fullNames =["George Bush","Barrack Obama","Donald Trump"]
var fullnames =["george bush","barrack obama","donald trump"]
and return
var fullNames =["George Bush","Barrack Obama","Donald Trump"]
["george bush","barrack obama","donald trump"].map(function(name){return name.replace(/\b\w/g, function(firstLetter){return firstLetter.toUpperCase()})})