Answers for "js get the key by value"

js find key by value in object

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

how to get key from value in javascript

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


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