JavaScript: Validate whether a given value is object or not

function is_object(value)
        {
        var datatype = typeof value;
        return datatype === 'function' || datatype === 'object' && !!value;
       }

console.log(is_object({name: 'Robert'}));

console.log(is_object('bar'));

console.log(is_object(72));

 Output:

true
false
false