get key of object 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));
// expected output: Array ["a", "b", "c"]

Example 4: js object keys

var myObj = {no:'u',my:'sql'}
var keys = Object.keys(myObj);//returnes the array ['no','my'];

Example 5: get all keys of object in javascript

myObject = {
	"key": "value",
    "key2":"value2"
}
Object.keys(myObject);
//console.log(Object.keys(myObject))   = ["key", "key2"]

Example 6: object.keys javascript

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

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