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index.html
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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>ajanuw-waterfall.js</title>
<style>
.item {
width: 260px;
padding: 6px;
box-sizing: border-box;
border-radius: 20px;
transition: all 1s;
animation: animate 1s;
}
@keyframes animate {
0% {
opacity: 0;
}
100% {
opacity: 1;
}
}
</style>
</head>
<body>
<div class="box"></div>
<script src="waterfall.js"></script>
<script>
const { Waterfall, WaterfallAlignment } = waterfall;
const box = document.querySelector(".box");
const host = "https://i.loli.net/";
const wf = new Waterfall({
root: ".box",
item: ".item",
alignment: WaterfallAlignment.start,
reverse: false,
});
const getIndex = (el) => Array.from(box.children).indexOf(el);
// drag
const dragover = (e) => e.preventDefault();
const dragstart = (e) => {
// console.log("拖");
e.dataTransfer.setData("index", getIndex(e.target));
};
const drop = (e) => {
e.preventDefault();
// console.log("放");
const data = e.dataTransfer.getData("index");
if (box.children[data] === e.target) return;
box.insertBefore(box.children[data], e.target);
wf.draw();
};
let img = null;
const append = (i) => {
img = document.createElement("img");
img.className = "item";
img.src = `${host}${i}`;
img.onload = wf.draw;
img.draggable = true;
img.ondragstart = dragstart;
img.ondrop = drop;
img.ondragover = dragover;
box.append(img);
};
[
"2020/12/13/VhWpKTiOjqslbkg.gif",
"2020/11/12/sVeUoaAvZ8T5R1K.jpg",
"2020/10/14/gQq96O4DxRVXSKP.jpg",
"2019/08/29/cmeto3P5d8xln4S.jpg",
"2020/10/14/KdraGmYFC8Wpsz5.jpg",
"2020/10/14/O4wUuGvM3Cdjl16.jpg",
"2020/10/14/fvYRHL6NEmZi5q9.jpg",
"2020/04/16/NHCSjlDEd8T9B4f.png",
"2020/02/14/EZc5awyF3vJSOR9.jpg",
"2020/01/14/w1dcNtf4SECG6yX.jpg",
"2019/12/07/vVfLEsQy7TbehrW.jpg",
"2019/11/30/vFTISwJKnYMqD97.jpg",
"2019/11/30/DVJGdj3eNpakXY4.jpg",
].forEach(append);
setTimeout(() => {
wf.alignment = WaterfallAlignment.center;
wf.draw();
}, 1000);
setTimeout(() => {
wf.alignment = WaterfallAlignment.end;
wf.draw();
}, 2000);
setTimeout(() => {
wf.alignment = WaterfallAlignment.between;
wf.draw();
}, 3000);
setTimeout(() => {
let i = 0;
const images = [
"2019/11/30/auRxklc9f6TLgdE.jpg",
"2019/11/30/nBZehFardWu5pAV.jpg",
"2019/10/18/fuzmtU5XK1BZOxA.jpg",
"2019/09/25/HcA52VuyRNODMW9.jpg",
"2019/08/29/7eXVLcHAhtO9YQg.jpg",
"2019/08/29/ADwfHcGR3Bd9ZVN.jpg",
"2019/08/29/rsjvxKEl7TiPAQt.jpg",
"2020/02/16/7PyfvO3brQRGj6d.jpg",
"2019/08/09/OvVzMqpF3jmI8lE.jpg",
];
let id = setInterval(() => {
if (i >= images.length) {
clearInterval(id);
return;
}
append(images[i]);
i++;
}, 1000);
}, 4000);
</script>
</body>
</html>