CodePen Embed - OOP Encapsulation

var kitten = {
  name: 'Fluffy',
  changeName: (name) => {
    if (typeof(name) === 'string') {
      this.name = name
      return this.name
    }
    throw new Error('Invalid type. Name must be a string.')
  }
}

Run Pen

This Pen is owned by Gwendolyn Faraday on CodePen.

See more by @gwenf on CodePen

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.