Unique Email Address - LeetCode Solution.

unique_email.js

'use strict';

const numUniqueEmails = emails => {
    const listofMails = [];
    const storeUniqueEmails = [];
    
    const mailLength = emails.length;
    
    for (let i = 0; i <= mailLength - 1; i++) {
        const filteredName = emails[i].split('+')[0].replace(/\./g, '') + '@' + emails[i].split('@')[1];

        listofMails.push(filteredName);
    }

    const len =  listofMails.length;

    for (let j = 0; j < len; j++) {
        if (storeUniqueEmails.indexOf(listofMails[j]) === -1) {
            storeUniqueEmails.push(listofMails[j]);
        }
    }

    return storeUniqueEmails.length;
};

console.log(numUniqueEmails(["[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]","[email protected]", "[email protected]","[email protected]","[email protected]"]));