JSFiddle - React, Tailwind, and code Playground

by Ayan Dey

JavaScript

maskPhoneNumber = (number) => {
        let unmasked = number.substring(number.length - 2);
        let masked = number.substring(0, number.length - 2).replace(/\d/g, "•").replace(/-/g, " ").replace(/[()]/g, "");

        return `${masked}${unmasked}`;
    };
    
    document.write(maskPhoneNumber("(213) 456-7890"));