Object.keys entry in javascript code example

Example 1: get keys objet javascript

var foo = {
  'alpha': 'puffin',
  'beta': 'beagle'
};

var keys = Object.keys(foo);
console.log(keys) // ['alpha', 'beta'] 
// (or maybe some other order, keys are unordered).

Example 2: how to get keys in an object javascript

Object.keys(whateverYourObjectIsCalled)