이미지 슬라이드 - 무한, 버튼추가, 닷 버튼 추가
<main>
<section id="sliderType09">
<div class="slider__wrap">
<div class="slider__img">
<div class="slider"><img src="img/img07.jpg" alt="이미지1"></div>
<div class="slider"><img src="img/img08.jpg" alt="이미지2"></div>
<div class="slider"><img src="img/img09.jpg" alt="이미지3"></div>
<div class="slider"><img src="img/img10.jpg" alt="이미지4"></div>
<div class="slider"><img src="img/img11.jpg" alt="이미지5"></div>
</div>
</div>
</section>
</main>/* slider06 */
.slider__wrap {
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
}
.slider__img { /*화면 보이는 구간*/
width: 800px;
height: 480px;
overflow: hidden;
}
.slider__inner { /*이미지 움직이는 영역*/
display: flex;
width: 4800px; /*이미지 총 길이*/
transform: translateX(0); /*left를 사용하기 위해서*/
}
.slider {
width: 800px;
position: relative;
}
.slider::before {
position: absolute;
left: 5px;top: 5px;
background: rgba(0,0,0,0.4);
color: #fff;
padding: 5px 10px 3px;
}
.slider:nth-child(1):before {content: '이미지1';}
.slider:nth-child(2):before {content: '이미지2';}
.slider:nth-child(3):before {content: '이미지3';}
.slider:nth-child(4):before {content: '이미지4';}
.slider:nth-child(5):before {content: '이미지5';}
.slider__btn a {
position: absolute;
top: 50%;
transform: translateY(-50%);
z-index: 100;
width: 50px;
height: 50px;
background: rgba(0,0,0,0.4);
text-align: center;
line-height: 50px;
transition: all 0.2s;
display: block;
color: #fff;
text-decoration: none;
}
.slider__btn a.prev {
left: 0;
}
.slider__btn a.next {
right: 0;
}
.slider__btn a:hover {
background: rgb(241, 96, 86);
}
.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%;
transition: all 0.3s;
margin: 3px;
}
.slider__dot .dot.active {
background: rgba(255,255,255,0.9);
}
// slider06
const sliderWrap = document.querySelector(".slider__wrap"); //sliderWrap에 div 태그 .slider__wrap 저장
const sliderImg = document.querySelector(".slider__img"); //sliderImg에 div 태그 .slider_img 저장, 이미지 한 칸만 보이는 영역
const sliderInner = document.querySelector(".slider__inner"); //이미지 움직이는 영역
const slider = document.querySelectorAll(".slider");
const sliderBtn = document.querySelector(".slider__btn");
const sliderDot = document.querySelector(".slider__dot");
let currentIndex = 0;
let sliderCount = slider.length; //이미지 갯수
let sliderWidth = sliderImg.offsetWidth; //이미지 가로 값
let dotIndex = "";
let dotActive;
function init(){
//이미지 갯수 만큼<a></a>
// dotIndex += "<a href='#' class='dot'></a>"
// dotIndex += "<a href='#' class='dot'></a>"
// dotIndex += "<a href='#' class='dot'></a>"
// dotIndex += "<a href='#' class='dot'></a>"
// dotIndex += "<a href='#' class='dot'></a>"
slider.forEach(() => dotIndex += "");
sliderDot.innerHTML = dotIndex;
//첫번째 닷 버튼한테 활성화표시(active)
sliderDot.firstElementChild.classList.add("active");
}
init();
function gotoSlider(num){
sliderInner.style.transition = "all 400ms"; //0.4초
sliderInner.style.transform = `translateX(-${sliderWidth * num}px)`;
currentIndex = num;
dotActive = document.querySelectorAll(".slider__dot .dot");
// num = [1,2,3,4,5]
dotActive.forEach(el => {
el.classList.remove("active");
})
dotActive[num].classList.add("active");
}
document.querySelectorAll(".slider__btn a").forEach((btn, index) => {
btn.addEventListener("click", () => {
let prevIndex = (currentIndex + (sliderCount -1)) % sliderCount;
let nextIndex = (currentIndex + 1) % sliderCount;
if(btn.classList.contains("prev")){
gotoSlider(prevIndex);
} else {
gotoSlider(nextIndex);
};
});
});
document.querySelectorAll(".slider__dot .dot").forEach((dot,index) => {
dot.addEventListener("click", () => {
gotoSlider(index);
});
});