JavaScript for loop an object

gistfile1.js

var person = {
  name: 'Ahmed El.Hussaini',
  age:  31,
  email: 'ahmed.elhussaini@espace.com.eg',
  blog: 'http://sandboxws.com',
  splinterScore: 224,
  splinterProfileUrl: 'http://splinterme.com/sandboxws'
};

for(property in person) {
  console.log(property + ': ' + person[property]);
}