Iterating over object literals in javascript using for in

for-in-object-literal.js

var objectLiteral = {
  name: 'bilbo',
  surname: 'bagins'
};

for(var key in objectLiteral){
  if(objectLiteral.hasOwnProperty(key)){
    console.log('key: ' + key);
    console.log('value: ' + objectLiteral[key]);
  }
}