JAVASCRIPT

get object key from value javascript

const key = Object.keys(obj).find(key => obj[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"));
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get key for value javascript

const findingKey = (obj , value) => (Object.keys(obj).find(key => value === obj[key]))
console.log(findingKey({id:"123",name:"Alice"},"Alice");