object get key by value code example

Example 1: javascript object get value by key

const person = {
  name: 'Bob',
  age: 47
}

Object.keys(person).forEach((key) => {
  console.log(person[key]); // 'Bob', 47
});

Example 2: js find key by value in object

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

Example 3: get keys of object js

var buttons = {
  foo: 'bar',
  fiz: 'buz'
};

for ( var property in buttons ) {
  console.log( property ); // Outputs: foo, fiz or fiz, foo
}