how to know object is empty in javascript 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: how to check if a javascript object is empty

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

Example 4: check if js object is empty

JSON.stringify({}) !== '{}';