how to get the object key in javascript code example

Example 1: how to find the key of an value in an object

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


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

Example 2: js get object keys

myObject = {
	"key": "value"
}

Object.keys(myObject); // get array of keys

Example 3: object.keys javascript

const object1 = {
  a: 'somestring',
  b: 42,
  c: false
};

console.log(Object.keys(object1));

Example 4: how to get keys in an object javascript

Object.keys(whateverYourObjectIsCalled)