var smallWord = "all time is no time when it is past";
var finalWord = [];
function arr(swd) {
   var arrWord = swd.split(" ");
   for (var i = 0; i < arrWord.length; i++) {
       var words = arrWord[i].charAt(0).toUpperCase() + arrWord[i].substr(1);
       finalWord = finalWord + words + " ";

   }
   return finalWord;
}

document.write(arr(smallWord));