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JavaScript Object-Oriented JavaScript Getters and Setters Object Interaction

Amanda Richardson
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.a{fill-rule:evenodd;}techdegree
Amanda Richardson
Web Development Techdegree Student 12,666 Points

defining this._phone in the setter method

Ashley set the value of this._phone as

 set phone(phone) {
    const phoneNormalized = phone.replace(/[^0-9]/g, "");
    this._phone = phoneNormalized;
  }

But why didn't she just code it like this -

 set phone(phone) {
       this._phone = phone.replace(/[^0-9]/g, "");
  }

I tried it this last way and it seemed to work fine and just wondering why she took the extra step here.