Answers for "how to console log object key"

console.log object object

const language = this.converstaionLanguage; // {"lang":"en"} <- this is JSON

console.log(language); // [object Object]
console.log(JSON.stringify(language) // {"lang":"en"}

object keys javascript

const object1 = {
  a: 'somestring',
  b: 42,
  c: false
};

console.log(Object.keys(object1));
// expected output: Array ["a", "b", "c"]

how to get keys in an object javascript

Object.keys(whateverYourObjectIsCalled)