javascript check if object is null or empty

1function isObjectEmpty(obj) {
2    return Object.keys(obj).length === 0;
3}

1// because Object.entries(new Date()).length === 0;
2// we have to do some additional check
3Object.entries(obj).length === 0 && obj.constructor === Object

1function isEmpty(obj) {    return Object.keys(obj).length === 0;}

1if (typeof value !== 'undefined' && value) {
2    //deal with value'
3};
4

1
2obj && Object.keys(obj).length === 0 && obj.constructor === Object
3