How to get all key in JSON object (javascript)

Question

{\"document\":
  {\"people\":[
    {\"name\":[\"Harry Potter\"],\"age\":[\"18\"],\"gender\":[\"Male\"]},
    {\"name\":[\"hermione granger\"],\"age\":[\"18\"],\"gend         


        

Answer 1

I use Object.keys which is built into JavaScript Object, it will return an array of keys from given object MDN Reference

var obj = {name: "Jeeva", age: "22", gender: "Male"}
console.log(Object.keys(obj))