how to check if an object is empty in js 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: 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 4: es6 check if the object is empty

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

Example 5: is check objet empty

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

Example 6: check if js object is empty

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