// An object with a method

var Greeting = {

  sayHi: function(name) {

    console.log('Hello ' + name + '!')

  }

}

​

// Calling the method, just works!

Greeting.sayHi('John')

​

​

/* ===== BUT ===== */

​

// Primitive string value

var myString = 'my string';

​

// Calling a method on a primitive value ???

console.log(

  myString.toUpperCase()

);

​