JAVASCRIPT

js is object empty

function isObjectEmpty(obj) {
    return Object.keys(obj).length === 0;
}

check empty object

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

javascript check empty object

function isEmptyObject(obj) {
    return !Object.keys(obj).length;
}

check if object is empty javascript

const empty = {};
/* -------------------------
  Plain JS for Newer Browser
----------------------------*/
Object.keys(empty).length === 0 && empty.constructor === Object
// true
/* -------------------------
  Lodash for Older Browser
----------------------------*/
_.isEmpty(empty)
// true

how to check if a javascript object is empty?

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

declare empty object javascript

var objectA = {} //This is an object literal // NB: Preferred Way

var objectB = new Object() //This is the object constructor

Checking Empty JS Object

const empty = {};

/* -------------------------
  Plain JS for Newer Browser
----------------------------*/
Object.keys(empty).length === 0 && empty.constructor === Object
// true

/* -------------------------
  Lodash for Older Browser
----------------------------*/
_.isEmpty(empty)
// true

check empty object

function isEmpty(obj) {
    return Object.keys(obj).length === 0;
}

how find empty object in js

const emptyObject = {}

Object.entries(objectToCheck)
If it returns an empty array, it means the object does not have any enumerable property,
which in turn means it is empty.

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

Lodash, a popular library, makes it simpler by providing the isEmpty() function:
_.isEmpty(objectToCheck)

check object is empty javascript

if(
objectName  // Verify object presence
&& Object.keys(objectName).length === 0  // Verify object content
&& Object.getPrototypeOf(objectName) === Object.prototype // Verify object type
) {
 // Run truthy condition. 
}

how to initialize empty javascript object

let obj = {};

check empty object javascript

const obj = {};
const obj2 = { n: 1 };

function isObjectEmpty(object) {
  for (const key in object) {
    return !object.hasOwnProperty(key);
  }
  return true;
}

console.log("1", isObjectEmpty(obj));
console.log("2", isObjectEmpty(obj2));

javascript create object empty

var empty_obj = {};