[Udemy]20 Web Projects With Vanilla JavaScript -Project#18

유데미에서 Brad Traversy의 20 Web Projects With Vanilla JavaScript

를 하나씩 직접 코딩해보면서 정리하기 위한 글이다.

데모 페이지

vanillawebprojects.com/projects/new-year-countdown/

코드 링크

index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <link rel="stylesheet" href="style.css" />
    <title>New Year Countdown</title>
</head>
<body>
    <div id="year" class="year"></div>

    <h1>새 해 카운트다운</h1>

    <div id="countdown" class="countdown">
        <div class="time">
            <h2 id="days">00</h2>
            <small>days</small>
        </div>
        <div class="time">
            <h2 id="hours">00</h2>
            <small>hours</small>
        </div>
        <div class="time">
            <h2 id="minutes">00</h2>
            <small>minutes</small>
        </div>
        <div class="time">
            <h2 id="seconds">00</h2>
            <small>seconds</small>
        </div>
    </div>
    <img src="./img/spinner.gif" alt="Loading..." id="loading" class="loading"/>
    <script src="script.js"></script>
</body>
</html>

style.css

@import url('https://fonts.googleapis.com/css?family=Lato&display=swap');

* {
    box-sizing: border-box;
}

body {
    background-image: url('https://images.unsplash.com/photo-1467810563316-b5476525c0f9?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1349&q=80');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    height: 100vh;
    color: #fff;
    font-family: 'Lato', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 0;
    overflow: hidden;

}

body::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

body * {
    z-index: 1;
}

h1 {
    font-size: 60px;
    margin: -80px 0 40px;

}

.year {
    font-size: 200px;
    z-index: -1;
    opacity: 0.2;
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.countdown {
    display: none;
    transform: scale(2);
}

.time {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 15px;
}

.time h2 {
    margin: 0 0 5px;
}

@media (max-width: 500px) {
    h1 {
        font-size: 45px;
    }

    .time {
        margin: 5px;
    }

    .time h2 {
        font-size: 12px;
        margin: 0;
    }

    .time small {
        font-size: 10px;
    }
}

script.js

const days = document.getElementById('days');
const hours = document.getElementById('hours');
const minutes = document.getElementById('minutes');
const seconds = document.getElementById('seconds');
const countdown = document.getElementById('countdown');
const year = document.getElementById('year');
const loading = document.getElementById('loading');

const currentYear = new Date().getFullYear();

const newYearTime = new Date(`January 01 ${currentYear + 1} 00:00:00`);

year.innerText = currentYear + 1;

const updateCountdown = () => {
    const currentTime = new Date();
    const diff = newYearTime - currentTime;

    const d = Math.floor(diff / 1000 / 60 / 60 / 24);
    const h = Math.floor(diff / 1000 / 60 / 60) % 24;
    const m = Math.floor(diff / 1000 / 60) % 60;
    const s = Math.floor(diff / 1000) % 60;

    days.innerHTML = d;
    hours.innerHTML = h < 10 ? '0' + h : h;
    minutes.innerHTML = m < 10 ? '0' + m : m;
    seconds.innerHTML = s < 10 ? '0' + s : s;
}

setTimeout(() => {
    loading.remove();
    countdown.style.display = 'flex';
}, 1000);

setInterval(updateCountdown, 1000);

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[Udemy]20 Web Projects With Vanilla JavaScript -Project#18

index.html

style.css

script.js

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