WELLCOME BACK
H
ello guys. How are you all? I hope you are all well. I came again with a post. Let’s go..
তো এই পোস্ট Draggble Card Slider এর কোড শেয়ার করবো যা thumbnail দেখলেই বুঝে যাবেন।
তো চলুন শুরু করা যাক।
Live Demo
All Codes
index.html
Infinite Card Slider JavaScript
/* Import Google font - Poppins */ @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap'); * { margin: 0; padding: 0; box-sizing: border-box; font-family: "Poppins", sans-serif; } body { display: flex; padding: 0 35px; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(to left top, #031A9A, #8B53FF); } .wrapper { max-width: 1100px; width: 100%; position: relative; } .wrapper i { top: 50%; height: 50px; width: 50px; cursor: pointer; font-size: 1.25rem; position: absolute; text-align: center; line-height: 50px; background: #fff; border-radius: 50%; box-shadow: 0 3px 6px rgba(0,0,0,0.23); transform: translateY(-50%); transition: transform 0.1s linear; } .wrapper i:active{ transform: translateY(-50%) scale(0.85); } .wrapper i:first-child{ left: -22px; } .wrapper i:last-child{ right: -22px; } .wrapper .carousel{ display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% / 3) - 12px); overflow-x: auto; scroll-snap-type: x mandatory; gap: 16px; border-radius: 8px; scroll-behavior: smooth; scrollbar-width: none; } .carousel::-webkit-scrollbar { display: none; } .carousel.no-transition { scroll-behavior: auto; } .carousel.dragging { scroll-snap-type: none; scroll-behavior: auto; } .carousel.dragging .card { cursor: grab; user-select: none; } .carousel :where(.card, .img) { display: flex; justify-content: center; align-items: center; } .carousel .card { scroll-snap-align: start; height: 342px; list-style: none; background: #fff; cursor: pointer; padding-bottom: 15px; flex-direction: column; border-radius: 8px; } .carousel .card .img { background: #8B53FF; height: 148px; width: 148px; border-radius: 50%; } .card .img img { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; border: 4px solid #fff; } .carousel .card h2 { font-weight: 500; font-size: 1.56rem; margin: 30px 0 5px; } .carousel .card span { color: #6A6D78; font-size: 1.31rem; } @media screen and (max-width: 900px) { .wrapper .carousel { grid-auto-columns: calc((100% / 2) - 9px); } } @media screen and (max-width: 600px) { .wrapper .carousel { grid-auto-columns: 100%; } }
const wrapper = document.querySelector(".wrapper");
const carousel = document.querySelector(".carousel");
const firstCardWidth = carousel.querySelector(".card").offsetWidth;
const arrowBtns = document.querySelectorAll(".wrapper i");
const carouselChildrens = [...carousel.children];
let isDragging = false, isAutoPlay = true, startX, startScrollLeft, timeoutId;
// Get the number of cards that can fit in the carousel at once
let cardPerView = Math.round(carousel.offsetWidth / firstCardWidth);
// Insert copies of the last few cards to beginning of carousel for infinite scrolling
carouselChildrens.slice(-cardPerView).reverse().forEach(card => {
carousel.insertAdjacentHTML("afterbegin", card.outerHTML);
});
// Insert copies of the first few cards to end of carousel for infinite scrolling
carouselChildrens.slice(0, cardPerView).forEach(card => {
carousel.insertAdjacentHTML("beforeend", card.outerHTML);
});
// Scroll the carousel at appropriate postition to hide first few duplicate cards on Firefox
carousel.classList.add("no-transition");
carousel.scrollLeft = carousel.offsetWidth;
carousel.classList.remove("no-transition");
// Add event listeners for the arrow buttons to scroll the carousel left and right
arrowBtns.forEach(btn => {
btn.addEventListener("click", () => {
carousel.scrollLeft += btn.id == "left" ? -firstCardWidth : firstCardWidth;
});
});
const dragStart = (e) => {
isDragging = true;
carousel.classList.add("dragging");
// Records the initial cursor and scroll position of the carousel
startX = e.pageX;
startScrollLeft = carousel.scrollLeft;
}
const dragging = (e) => {
if(!isDragging) return; // if isDragging is false return from here
// Updates the scroll position of the carousel based on the cursor movement
carousel.scrollLeft = startScrollLeft - (e.pageX - startX);
}
const dragStop = () => {
isDragging = false;
carousel.classList.remove("dragging");
}
const infiniteScroll = () => {
// If the carousel is at the beginning, scroll to the end
if(carousel.scrollLeft === 0) {
carousel.classList.add("no-transition");
carousel.scrollLeft = carousel.scrollWidth - (2 * carousel.offsetWidth);
carousel.classList.remove("no-transition");
}
// If the carousel is at the end, scroll to the beginning
else if(Math.ceil(carousel.scrollLeft) === carousel.scrollWidth - carousel.offsetWidth) {
carousel.classList.add("no-transition");
carousel.scrollLeft = carousel.offsetWidth;
carousel.classList.remove("no-transition");
}
// Clear existing timeout & start autoplay if mouse is not hovering over carousel
clearTimeout(timeoutId);
if(!wrapper.matches(":hover")) autoPlay();
}
const autoPlay = () => {
if(window.innerWidth carousel.scrollLeft += firstCardWidth, 2500);
}
autoPlay();
carousel.addEventListener("mousedown", dragStart);
carousel.addEventListener("mousemove", dragging);
document.addEventListener("mouseup", dragStop);
carousel.addEventListener("scroll", infiniteScroll);
wrapper.addEventListener("mouseenter", () => clearTimeout(timeoutId));
wrapper.addEventListener("mouseleave", autoPlay);
THE END
S
o friends, that’s it for today. See you in another post. If you like the post then like and comment. Stay tuned to Trickbd.com for any updates.
