coreyc

var inputObject = { 0: 'a', 1: 'b', 2: 'c' };
var values = [];
Object.keys(inputObject).forEach(function(key) {
  values.push(inputObject[key]);
  return values;
});
console.log(values);

coreyc

function isString(str) {
    return typeof(str) === 'string' || str instanceof String;
}