string.capitalize
    string.capitalize(s)
  
  
  
  Parameters
- s 
{String}:the string to capitalize
 
Returns
 {String}: 
the supplied string with the first character uppercased if it is a letter
var string = require("can-util/js/string/string");
console.log(string.capitalize("foo")); // -> "Foo"
console.log(string.capitalize("123")); // -> "123"