JSFiddle - React, Tailwind, and code Playground

by coryphoenixxx

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link
            rel="stylesheet"
            href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css"
    />
    <link rel="stylesheet" href="style.css" />
    <title>Слайдер | Проект 3</title>
</head>
<body>
<div class="container">
    <div class="sidebar">
        <div style="background: linear-gradient(229.99deg, gray -26%, dimgray 145%);">
            <h1>Souls</h1>
            <p>die</p>
        </div>
        <div style="background: linear-gradient(215.32deg, brown -1%, black 124%);">
            <h1>On Our</h1>
            <p>starve</p>
        </div>
        <div style="background: linear-gradient(221.87deg, yellow 1%, red 128%);">
            <h1>Is Stepping</h1>
            <p>burn</p>
        </div>
        <div style="background: linear-gradient(220.16deg, gray -8%, black 138%);">
            <h1>The New World Order</h1>
            <p>obey</p>
        </div>
    </div>
    <div class="main-slide">
        <div
                style="
            background-image: url('https://images.unsplash.com/photo-1616600888053-d5f2a3cffecd?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=700&q=80');
          "
        ></div>
        <div
                style="
            background-image: url('https://static.themoscowtimes.com/image/1360/e5/TASS39966915.jpg');
          "
        ></div>
        <div
                style="
            background-image: url('https://businessafricaonline.com/wp-content/uploads/2020/03/hunger.jpg');
          "
        ></div>
        <div
                style="
            background-image: url('https://static01.nyt.com/images/2018/11/25/books/review/25Lawrence/merlin_8865849_cc6f120d-9720-4d03-ba4b-1b65a55e79c4-superJumbo.jpg');
          "
        ></div>
    </div>
    <div class="controls">
        <button...

CSS

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

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    height: 100vh;
}

.container {
    position: relative;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

.sidebar {
    height: 100%;
    width: 35%;
    position: absolute;
    top: 0;
    left: 0;
    transition: transform 0.5s ease-in-out;
}

.sidebar > div {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.sidebar h1 {
    font-size: 40px;
    margin-bottom: 10px;
    margin-top: -30px;
}

.main-slide {
    height: 100%;
    position: absolute;
    top: 0;
    left: 35%;
    width: 65%;
    transition: transform 0.5s ease-in-out;
}

.main-slide > div {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    height: 100%;
    width: 100%;
}

button {
    background-color: #fff;
    border: none;
    color: #aaa;
    cursor: pointer;
    font-size: 16px;
    padding: 15px;
}

button:hover {
    color: #222;
}

button:focus {
    outline: none;
}

.container .controls button {
    position: absolute;
    left: 35%;
    top: 50%;
    z-index: 100;
}

.container .controls .down-button {
    transform: translateX(-100%);
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}

.container .controls .up-button {
    transform: translateY(-100%);
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
}

JavaScript

const upBtn = document.querySelector('.up-button')
const downBtn = document.querySelector('.down-button')
const sidebar = document.querySelector('.sidebar')
const mainSlide = document.querySelector('.main-slide')
const container = document.querySelector('.container')
const slidesCount = mainSlide.querySelectorAll('div').length

let activeSlideIndex = 0

sidebar.style.top = `-${(slidesCount-1) * 100}vh`


upBtn.addEventListener('click', () => {
    changeSlide('up')
})

downBtn.addEventListener('click', () => {
    changeSlide('down')
})

function changeSlide(direction) {
    if (direction === 'up') {
        activeSlideIndex++
        if (activeSlideIndex === slidesCount) {
            activeSlideIndex = 0
        }
    }
    if (direction === 'down') {
        activeSlideIndex--
        if (activeSlideIndex < 0) {
            activeSlideIndex = slidesCount - 1
        }
    }

    const height =  container.clientHeight

    mainSlide.style.transform = `translateY(-${activeSlideIndex * height}px)`

    sidebar.style.transform = `translateY(${activeSlideIndex * height}px)`
}