check if variable is empty object javascript code example

Example 1: javascript check if object is empty

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

Example 2: 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 3: es6 check if the object is empty

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

Example 4: check if js object is empty

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