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jeftarmascarenhas/string.padStart.js

Created August 24, 2021 18:58
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string.padStart.js
const firstString = '6'
console.log(firstString.padStart(4, '0'))
// result: "0006"
const creditCard = '09290201320409'
const getLast4Digits = (str) => str.slice(-4)
const maskedCreditCardNumber = getLast4Digits(creditCard).padStart(creditCard.length, '*')
console.log(maskedCreditCardNumber)
// maskedCreditCardNumber result: "**********0409"
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