“es6 mendapatkan nilai dengan kunci” Kode Jawaban

es6 mendapatkan nilai dengan kunci

function getKeyByValue(object, value) {
return Object. keys(object). find(key => object[key] === value);
}
​
​
const map = {"first" : "1", "second" : "2"};
console. log(getKeyByValue(map,"2"));