슬라이드 이펙트06

이미지1

이미지2

이미지3

이미지4

이미지5

소스 보기

JAVSCRIPT

HTML

CSS

const sliderWrap = document.querySelector('.slider__wrap');
const sliderImg = document.querySelector('.slider__img'); // 보여지는 영역
const sliderInner = document.querySelector('.slider__inner'); // 움직이는 영역
const slider = document.querySelectorAll('.slider'); // 각각 이미지
const sliderDot = document.querySelector('.slider__dot'); // 닷 메뉴
const sliderBtn = document.querySelector('.slider__btn'); // 버튼
const sliderBtnPrev = document.querySelector('.slider__btn .prev'); // 왼쪽 버튼
const sliderBtnNext = document.querySelector('.slider__btn .next'); // 오른쪽 버튼

let currentIndex = 0, // 현재 이미지
    sliderLength = slider.length, // 이미지 갯수
    sliderWidth = slider[0].offsetWidth, // 이미지 가로값
    sliderFirst = slider[0], // 첫번째 이미지
    sliderLast = slider[sliderLength - 1], // 마지막 이미지
    cloneFirst = sliderFirst.cloneNode(true), // 첫번째 이미지 복사
    cloneLast = sliderLast.cloneNode(true), // 마지막 이미지 복사
    dotIndex = '';

sliderInner.appendChild(cloneFirst);
sliderInner.insertBefore(cloneLast, sliderFirst);

function init() {
    for (let i = 0; i < sliderLength; i++) {
        dotIndex += "<a href='#' class='dot'>이미지1</a>";
    }
    sliderDot.innerHTML = dotIndex;
    // 첫 번째 닷 버튼에 활성화 표시(active)
    sliderDot.firstElementChild.classList.add('active');
    // firstElementChild : 첫 번째 요소를 선택 = firstChild
}
init();

function gotoSlider(direction) {
    sliderInner.classList.add('transition');
    sliderBtn.classList.add('disable');

    posInitial = sliderInner.offsetLeft;
    // console.log(posInitial);

    if (direction == -1) {
        sliderInner.style.left = posInitial + sliderWidth + 'px';
        currentIndex--;
    } else if (direction == 1) {
        sliderInner.style.left = posInitial - sliderWidth + 'px';
        currentIndex++;
    }
}

// 순간이동 이미지 슬라이드
function checkIndex() {
    sliderInner.classList.remove('transition');

    // console.log(currentIndex);

    // 마지막 이미지
    if (currentIndex == slider.length) {
        sliderInner.style.left = -(1 * sliderWidth) + 'px';
        currentIndex = 0;
    }

    // 처음 이미지
    if (currentIndex == -1) {
        sliderInner.style.left = -(sliderLength * sliderWidth) + 'px';
        currentIndex = sliderLength - 1;
    }
}

sliderBtnPrev.addEventListener('click', () => {
    gotoSlider(-1);
    setTimeout(() => {
        sliderBtn.classList.remove('disable');
    }, 300);
});
sliderBtnNext.addEventListener('click', () => {
    gotoSlider(1);
    setTimeout(() => {
        sliderBtn.classList.remove('disable');
    }, 300);
});
sliderInner.addEventListener('transitionend', checkIndex);

<main id="main">
    <section id="sliderType01">
        <div class="slider__wrap">
            <div class="slider__img">
                <div class="slider__inner">
                    <div class="slider s1"><span>이미지1</span><img src="../assets/img/effect_bg11-min.jpg" alt="" /></div>
                    <div class="slider s2"><span>이미지2</span><img src="../assets/img/effect_bg12-min.jpg" alt="" /></div>
                    <div class="slider s3"><span>이미지3</span><img src="../assets/img/effect_bg13-min.jpg" alt="" /></div>
                    <div class="slider s4"><span>이미지4</span><img src="../assets/img/effect_bg14-min.jpg" alt="" /></div>
                    <div class="slider s5"><span>이미지5</span><img src="../assets/img/effect_bg15-min.jpg" alt="" /></div>
                </div>
            </div>
            <div class="slider__btn">
                <button href="#" class="prev">prev</button>
                <button href="#" class="next">next</button>
            </div>
            <div class="slider__dot">
                <!-- <a href="#" class="dot active">이미지1</a>
                <a href="#" class="dot">이미지2</a>
                <a href="#" class="dot">이미지3</a>
                <a href="#" class="dot">이미지4</a>
                <a href="#" class="dot">이미지5</a> -->
            </div>
        </div>
    </section>
</main>
<!-- //main -->

/* slider */
.slider__wrap {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 이미지 보이는 영역 */
.slider__img {
    position: relative;
    width: 800px;
    height: 450px;
    overflow: hidden;
}

/* 이미지를 감싸고 있는 부모 : 움직이는 부분 */
.slider__inner {
    display: flex;
    flex-wrap: wrap;
    width: 10000px;
    height: 450px;
    position: relative;
    left: -800px;
}
.slider__inner.transition {
    transition: all 0.3s;
}

/* 개별적인 이미지 */
.slider {
    position: relative;
    width: 800px;
    height: 450px;
}

.slider span {
    position: absolute;
    left: 5px;
    top: 5px;
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    padding: 5px 10px;
}

/* .slider:nth-child(1)::before {
    content: '이미지5';
}

.slider:nth-child(2)::before {
    content: '이미지1';
}

.slider:nth-child(3)::before {
    content: '이미지2';
}

.slider:nth-child(4)::before {
    content: '이미지3';
}

.slider:nth-child(5)::before {
    content: '이미지4';
}

.slider:nth-child(6)::before {
    content: '이미지5';
} */

@media (max-width: 800px) {
    .slider__img {
        width: 400px;
        height: 225px;
    }
}

.slider__btn button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.4);
    text-align: center;
    line-height: 50px;
    transition: all 0.2s;
    display: block;
    color: #fff;
    border: 0;
    cursor: pointer;
}

.slider__btn.disable button {
    pointer-events: none;
}

.slider__btn button:hover {
    background: rgb(86, 233, 241);
    color: #000;
    font-weight: 800;
}

.slider__btn button.prev {
    left: 0;
}

.slider__btn button.next {
    right: 0;
}

.slider__dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 20px;
}

.slider__dot .dot {
    width: 20px;
    height: 20px;
    background: rgba(0, 0, 0, 0.4);
    display: inline-block;
    border-radius: 50%;
    text-indent: -9999px;
    transition: all 0.3s;
    margin: 3px;
}

.slider__dot .dot.active {
    background: rgba(255, 255, 255, 0.9);
}