Regex Phone Number

regex-phonenumber.js

const rgx = /^(\(\d{3}\)|\d{3})-?\d{3}-?\d{4}$/g

const phoneNumber = document.querySelector('.phone-number')
const phoneNumberInput = phoneNumber.querySelector('input')

const getNumbers = (event) => {
    console.log(event)
    if(rgx.test(event.target.value)){
        phoneNumberInput.classList.add('accepted')
    } else {
        phoneNumberInput.classList.remove('accepted')
    }
}

phoneNumberInput.addEventListener('input', getNumbers)