json get key

1myObject = {
2	"key": "value"
3}
4
5Object.keys(myObject); // get array of keys

1var jsonData = {person:"me", age :"30"};
2
3console.log(Object.keys(jsonData)[0])
4// Prints person

1var obj = {name: "Jeeva", age: "22", gender: "Male"}
2console.log(Object.keys(obj))