obj && Object.keys(obj).length === 0 && obj.constructor === Object

​

function isObjectEmpty(obj) {

    return Object.keys(obj).length === 0;

}

const empty = {};

/* -------------------------

  Plain JS for Newer Browser

----------------------------*/

Object.keys(empty).length === 0 && empty.constructor === Object

// true

/* -------------------------

  Lodash for Older Browser

----------------------------*/

_.isEmpty(empty)

// true

> !!Object.keys(obj).length;

Object.entries(objectToCheck).length === 0

​

const emptyObject = {

}

// Using keys method of Object class

let isObjectEmpty = (object) => {

  return Object.keys(object).length === 0;

}

console.log(isObjectEmpty(emptyObject)); // true

​

// Using stringify metod of JSON class

isObjectEmpty = (object) => {

  return JSON.stringify(object) === "{}";

}

console.log(isObjectEmpty(emptyObject)); // true

function isRealValue(obj)

{

 return obj && obj !== 'null' && obj !== 'undefined';

}

​

//Use isRealValue(obj) to check further, will always return truthy object.

if (typeof value !== 'undefined' && value) {

    //deal with value'

};

​

Object.entries(obj).length === 0 && obj.constructor === Object