Answers for "get element by key in dictionary in javascript"

get keys of dictionary js

// Get keys of a dictionary
let dict = { a:1 , b:2 , c:3 }

console.log( Object.keys(dict) ) // expected output : ['a', 'b', 'c']

getkey by value js

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