## Get length of an object
Since [[Object.keys]] stores an object's keys inside a new array, you can use it for checking the length of an object. For example:
```js
const person = {
name: 'Reggie',
role: 'Software developer',
skills: ['JavaScript', 'HTML', 'CSS'],
isTeacher: true
};
console.log( Object.keys(person).length ); // 4
```