"using objects for lookups" http://www.freecodecamp.com/challenges/using-objects-for-lookups

objects-for-lookups.js

// Setup
function phoneticLookup(val) {
  var result = "";

  // Only change code below this line
 var lookup = {
    "alpha":"Adams",
    "bravo":"Boston",
    "charlie":"Chicago",
    "delta":"Denver",
    "echo":"Easy",
    "foxtrot":"Frank"
    };
  
  result = lookup[val];

  // Only change code above this line
  return result;
}

// Change this value to test
phoneticLookup("charlie");