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27 - Click and Drag #36

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27 - Click and Drag #36

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69 changes: 69 additions & 0 deletions 27 - Click and Drag/changi.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Click and Drag</title>
<link rel="stylesheet" href="style.css" />
</head>
<body>
<div class="items">
<div class="item item1">01</div>
<div class="item item2">02</div>
<div class="item item3">03</div>
<div class="item item4">04</div>
<div class="item item5">05</div>
<div class="item item6">06</div>
<div class="item item7">07</div>
<div class="item item8">08</div>
<div class="item item9">09</div>
<div class="item item10">10</div>
<div class="item item11">11</div>
<div class="item item12">12</div>
<div class="item item13">13</div>
<div class="item item14">14</div>
<div class="item item15">15</div>
<div class="item item16">16</div>
<div class="item item17">17</div>
<div class="item item18">18</div>
<div class="item item19">19</div>
<div class="item item20">20</div>
<div class="item item21">21</div>
<div class="item item22">22</div>
<div class="item item23">23</div>
<div class="item item24">24</div>
<div class="item item25">25</div>
</div>

<script>
const slider = document.querySelector(".items");
let isDown = false;
let startX;
let scrollLeft;

slider.addEventListener("mousedown", (evt) => {
isDown = true;
slider.classList.add("active");

startX = evt.pageX - slider.offsetLeft;
scrollLeft = slider.scrollLeft;
});
slider.addEventListener("mouseleave", (evt) => {
isDown = false;
slider.classList.remove("active");
});
slider.addEventListener("mouseup", (evt) => {
isDown = false;
slider.classList.remove("active");
});
slider.addEventListener("mousemove", (evt) => {
if (!isDown) return;
evt.preventDefault();

const x = evt.pageX - slider.offsetLeft;
const walk = x - startX;

slider.scrollLeft = scrollLeft - walk;
});
</script>
</body>
</html>