为什么需要 AL 寄存器以及其中存储了什么?
描述
我正在尝试制作一个选择性列表,当您单击其中的某个元素时,它应该平滑地移动到中心。我正在尝试使用溢出和滚动条来实现这一点。
const divScrollPicker = document.querySelector(`div#scroll-picker`);
divScrollPicker?.querySelectorAll(`button`).forEach((button, index) => {
button.addEventListener(`click`, event => button.scrollIntoView({ behavior: `smooth`, block: `center` }));
});
body {
position: fixed;
inset: 0;
max-width: 100vmin;
margin-inline: auto;
display: grid;
grid-template-columns: 1fr 2fr;
grid-template-rows: auto;
align-content: center;
}
div#scroll-picker {
display: flex;
flex-direction: column;
max-height: 30px;
overflow-y: visible;
scroll-snap-type: y mandatory;
scroll-snap-align: center;
scroll-padding: 0;
&>* {
min-height: 100%;
max-height: 100%;
}
}
div#scroll-picker,
div#picker-container {
border: 1px solid black;
}
<div id="scroll-picker">
<button type="button" title>Button 1</button>
<button type="button" title>Button 2</button>
<button type="button" title>Button 3</button>
<button type="button" title>Button 4</button>
<button type="button" title>Button 5</button>
<button type="button" title>Button 6</button>
<button type="button" title>Button 7</button>
<button type="button" title>Button 8</button>
</div>
<div id="picker-container"></div>
问题
- 为了让元素滑动,我必须启用滑块,即
overflow: scroll或auto。 - 如果我启用滑块,则不会显示块之外的元素。
- 如果块外的元素未显示,我无法单击它们以使它们滑动到中心。
我仍然找不到摆脱这个恶性循环的方法。
问题
你有解决办法吗?
或者你能建议另一种方式吗?
iskeym
Asked:
2024-12-20 01:20:16 +0000 UTC
我正在尝试通过 aiogram 下载发送的视频
videos = message.video
text = message.caption
print(text)
file_id = videos.file_id
file_path = await bot.get_file(file_id)
await bot.download_file(file_path.file_path, f'path/to/save/{file_id}.mp4')
我收到一个错误
aiogram.exceptions.TelegramBadRequest:电报服务器说 - 错误请求:文件太大
有什么办法可以下载大文件吗?感谢您的帮助
TopTTeDHbIu-DeJLbFuH4uk
Asked:
2024-12-19 22:10:18 +0000 UTC
大家好。如何定位屏幕截图中所示的元素?请注意,使用绝对定位或translateX() 函数不会产生所需的结果。页眉应该是橡胶的,也就是说,缩放时,文本会收缩到页面的左侧。当使用上述方法时,遗憾的是,结果是否定的。
HTML:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>iRobot</title>
<link href="https://fonts.googleapis.com/css2?family=PT+Sans&display=swap" rel="stylesheet">
<!-- STYLES -->
<link rel="stylesheet" href="styles/main.css">
<link rel="stylesheet" href="styles/colors.css">
<link rel="stylesheet" href="styles/header.css">
</head>
<body>
<div class="header-container">
<!-- <div class="header">-->
<div class="header-carousel">
<div class="carousel-item">Order by 12/19/24 at 11:59 PM EST for 2-day shipping on all robot orders for
delivery
by 12/24/24.
<a href="https://www.irobot.com/en_US/deals.html" target="_blank">Select preferred shipping option at
checkout.</a></div>
<div class="carousel-item carousel-item-hidden">New Markdown: 45% off the Roomba Combo® i5+ Self-Emptying
Robot
Vacuum and Mop. <a href="https://www.irobot.com/en_US/roomba-combo-i5-series-robot-vacuum-and-mop/Roomba-Combo-i5-Series-Robots.html">Shop Deal</a>
</div>
</div>
<div class="header-link">
<a href="https://homesupport.irobot.com/s/">Support</a>
<a href="https://www.irobot.com/en_US/login">Order Status</a>
<a href="https://www.irobot.com/en_US/login">Login</a>
<span class="header-language">English (United States)</span>
</div>
<!-- </div>-->
</div>
<script src="scripts/header.js"></script>
</body>
</html>
CSS:
.header-container {
display: flex;
/*justify-content: space-between;*/
justify-content: center;
align-items: center;
height: 2.5rem;
background-color: var(--background-header);
}
.header {
display: flex;
width: 100%;
justify-content: space-between;
}
.header-carousel {
display: flex;
justify-content: center;
align-items: center;
margin: auto;
width: clamp(100px, 100%, 500px);
}
.carousel-item {
text-align: center;
}
.carousel-item-hidden {
display: none;
}
alexWithoutBeard
Asked:
2024-12-19 20:09:50 +0000 UTC
有必要确保一列中不能激活超过五个单元格。我试图从列中获取 td.active 的数量,但出现了一些奇怪的情况)
let table = document.querySelector("table");
table.addEventListener("click", ({ target }) => {
if (target.tagName == "TD") {
let trs = document.querySelectorAll("tr");
for (let tr of trs) {
let cols = tr.querySelectorAll("td.active");
console.log(cols.length)
if (cols.length <= 5) {
target.classList.add("active");
}
else target.classList.remove('active')
}
}
});
table {
width: 500px;
height: 500px;
margin-bottom: 20px;
/* border: 1px solid black; */
/* border-collapse: collapse; */
}
table tr {
font-weight: bold;
padding: 5px;
border: 1px
solid black;
}
table td {
border: 1px solid black;
padding: 5px;
height: 40px;
width: 40px;
}
: 5px;
border:
.active{
background-color: aqua;
pointer-events: none;
}
.diactive{
pointer-events: none;
}
<table>
<tr>
<td data-col="0"></td>
<td data-col="1"></td>
<td data-col="2"></td>
<td data-col="3"></td>
<td data-col="4"></td>
<td data-col="5"></td>
</tr>
<tr>
<td data-col="6"></td>
<td data-col="7"></td>
<td data-col="8"></td>
<td data-col="9"></td>
<td data-col="10"></td>
<td data-col="11"></td>
</tr>
<tr>
<td data-col="12"></td>
<td data-col="13"></td>
<td data-col="14"></td>
<td data-col="15"></td>
<td data-col="16"></td>
<td data-col="17"></td>
</tr>
<tr>
<td data-col="18"></td>
<td data-col="19"></td>
<td data-col="20"></td>
<td data-col="21"></td>
<td data-col="22"></td>
<td data-col="23"></td>
</tr>
<tr>
<td data-col="24"></td>
<td data-col="25"></td>
<td data-col="26"></td>
<td data-col="27"></td>
<td data-col="28"></td>
<td data-col="29"></td>
</tr>
<tr>
<td data-col="30"></td>
<td data-col="31"></td>
<td data-col="32"></td>
<td data-col="33"></td>
<td data-col="34"></td>
<td data-col="35"></td>v
</tr>
</table>