JS: Object.entries

(new in JS: ECMAScript 2017)

Object.entries(obj)

• Convert object to Array.
• Each property is converted to array [key, value].
• Only consider properties that are own, string key, and Enumerable. Others are ignored.
• Return the new array.

console.log(
  JSON.stringify(Object.entries({ a: 3, b: 4 })) === `[["a",3],["b",4]]`,
);
// true