function getObjectKey(obj, value) {
return Object.keys(obj).find(key => obj[key] === value);
}
const obj = {
id: 383912,
name: "albus",
language: "javascript"
};
console.log(getObjectKey(obj, 'albus'));
console.log(getObjectKey(obj, 'javascript'));
/*
run:
"name"
"language"
*/