how to know if object is empty javascript code example

Example 1: javascript check if object is empty

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

Example 2: how to check if object is empty javascript

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

Example 3: js check if object is empty

> !!Object.keys(obj).length;

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: javascript check if object is null or empty

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

Example 6: check if js object is empty

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