js empty object code example

Example 1: javascript check if object is empty

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

Example 2: javascript check empty object

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

Example 3: declare empty object javascript

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

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

Example 4: javascript test for empty object

// because Object.entries(new Date()).length === 0;
// we have to do some additional check
Object.entries(obj).length === 0 && obj.constructor === Object

Example 5: how to initialize empty javascript object

let obj = {};

Example 6: javascript create object empty

var empty_obj = {};