Advent of code (2020) - CODE 2 - 2

Advent of code (2020) - CODE 2 - 2

(async () => {
    const result = [];
    const entries = (await(await fetch('https://adventofcode.com/2020/day/2/input')).text()).split('\n').filter(item => item || false).map(item => item.split(':'));
    const startTime = performance.now();
    let totalCorrectPassword = 0;
    entries.forEach((item, index, arr) => {
       const [range, letter] = item[0].split(' ');
       const [ first, second ] = range.split('-');
       const password = item[1].trim();
       const checkPassword = new String(password);
        if (checkPassword[first - 1] === letter && checkPassword[second - 1] !== letter || checkPassword[first - 1] !== letter && checkPassword[second - 1] === letter) {
            totalCorrectPassword++;
            console.log(`Letter ${letter} => first: ${first} / second: ${second} / password: ${password} / First: ${checkPassword[first - 1]} / Second: ${checkPassword[second - 1]}`);
        }
       
    });
    const endTime = performance.now();
    console.log(`Total correct passwords: ${totalCorrectPassword}`);
    console.log(result);
    console.log(`${parseFloat(endTime - startTime).toFixed(4)} ms`);
})();