const persons = { john: { age: 23, year:2010}, jack: { age: 22, year:2011}, jenny: { age: 21, year:2012} } const resultArray = Object.keys(persons).map(index => { let person = persons[index]; return person; });
var resultArray = Object.keys(persons).map(function(personNamedIndex){ let person = persons[personNamedIndex]; // do something with person return person; }); // you have resultArray having iterated objects