JAVASCRIPT

how to find the key of an value in an object

function getKeyByValue(object, value) {
  return Object.keys(object).find(key => object[key] === value);
}


const map = {"first" : "1", "second" : "2"};
console.log(getKeyByValue(map,"2"));

js find key by value in object

Object.keys(object).find(key => object[key] === value)

to find keys in an object

obj={
  name:"akash",
  age:23
}


keysval=Object.keys(obj)
console.log(keysval)