Answers for "js know when an object is empty"

javascript check if object is empty

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

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

javascript check if object is null or empty

if (typeof value !== 'undefined' && value) {
    //deal with value'
};