playground:playground
差别
这里会显示出您选择的修订版和当前版本之间的差别。
| 两侧同时换到之前的修订记录前一修订版后一修订版 | 前一修订版 | ||
| playground:playground [2023/06/09 10:15] – [sss1] 240c:c02f:0:bee:8d98:ca56:85f5:7dc | playground:playground [2024/10/17 11:52] (当前版本) – [必应搜索] 221.217.26.244 | ||
|---|---|---|---|
| 行 11: | 行 11: | ||
| ====== 一级标题 ====== | ====== 一级标题 ====== | ||
| - | ===== ss2 ===== | + | ===== 标题 H2 |
| - | ==== ss3 ==== | + | ---- |
| - | === ss4 === | ||
| - | ====== | + | $\begin{array}{l} |
| + | |||
| + | ---- | ||
| + | |||
| + | |||
| + | $\frac{a}{b}\pm \frac{c}{d}= \frac{ad \pm bc}{bd} $ | ||
| + | |||
| + | |||
| + | $$\frac{a}{b}\pm \frac{c}{d}= \frac{ad \pm bc}{bd} $$ | ||
| + | |||
| + | ---- | ||
| + | |||
| + | |||
| + | $\left\{\begin{matrix} | ||
| + | |||
| + | |||
| + | ---- | ||
| + | |||
| + | $\frac{\mathrm{d}}{\mathrm{d}x}\sin x=\cos x $ | ||
| + | |||
| + | |||
| + | ---- | ||
| + | |||
| + | $\begin{pmatrix} | ||
| + | |||
| + | ==== 标题 H3 ==== | ||
| + | |||
| + | |||
| + | ---- | ||
| + | |||
| + | |||
| + | ====== 标题 H1 ====== | ||
| + | |||
| + | |||
| + | ---- | ||
| + | |||
| + | < | ||
| + | < | ||
| + | <meta charset=" | ||
| + | <meta name=" | ||
| + | < | ||
| + | body { | ||
| + | font-family: | ||
| + | margin: 50px; | ||
| + | } | ||
| + | |||
| + | #countdown { | ||
| + | font-size: 24px; | ||
| + | margin-top: 20px; | ||
| + | } | ||
| + | </ | ||
| + | </ | ||
| + | < | ||
| + | |||
| + | < | ||
| + | |||
| + | <label for=" | ||
| + | <input type=" | ||
| + | <button onclick=" | ||
| + | |||
| + | <div id=" | ||
| + | |||
| + | < | ||
| + | let countdownInterval; | ||
| + | |||
| + | function startCountdown() { | ||
| + | // 清除之前的倒计时定时器 | ||
| + | clearInterval(countdownInterval); | ||
| + | |||
| + | // 获取用户输入的日期 | ||
| + | const birthdateInput = document.getElementById(' | ||
| + | const birthdate = new Date(birthdateInput.value); | ||
| + | |||
| + | // 更新倒计时显示 | ||
| + | updateCountdown(birthdate); | ||
| + | |||
| + | // 每秒更新一次倒计时 | ||
| + | countdownInterval = setInterval(() => { | ||
| + | updateCountdown(birthdate); | ||
| + | }, 1000); | ||
| + | } | ||
| + | |||
| + | function updateCountdown(birthdate) { | ||
| + | // 获取当前日期和时间 | ||
| + | const now = new Date(); | ||
| + | |||
| + | // 计算距离日期的秒数 | ||
| + | const timeDifference = Math.floor((birthdate - now) / 1000); | ||
| + | |||
| + | // 更新页面上的倒计时显示 | ||
| + | const countdownElement = document.getElementById(' | ||
| + | countdownElement.textContent = `人生还剩余 ${timeDifference} 秒`; | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | </ | ||
| + | </ | ||
| ====== 灌水 ====== | ====== 灌水 ====== | ||
| + | |||
| + | ---- | ||
| + | |||
| 测试页面 | 测试页面 | ||
| 行 33: | 行 131: | ||
| :-D :-P ĊÊ | :-D :-P ĊÊ | ||
| - | ---- | ||
| - | ---- | ||
| ---- | ---- | ||
| - | ---- | + | |
| - | ---- | + | |
| 输入下面这行代码,就可以轻松嵌入外部视频。 | 输入下面这行代码,就可以轻松嵌入外部视频。 | ||
| 行 59: | 行 154: | ||
| - | ====== 必应搜索 ====== | + | ---- |
| + | ====== 必应搜索 ====== | ||
| + | < | ||
| < | < | ||
| + | </ | ||
| + | </ | ||
| + | **上面是代码,下面是具体效果:** | ||
| + | |||
| + | < | ||
| </ | </ | ||
| + | |||
| + | |||
| + | ---- | ||
| < | < | ||
| - | %inculde(studio, | + | #include <stdio.h> |
| - | vodi mian[nit | + | int main(int |
| - | | + | |
| - | | + | |
| - | ) | + | } |
| </ | </ | ||
playground/playground.1686276926.txt.gz · 最后更改: 2023/06/09 10:15 由 240c:c02f:0:bee:8d98:ca56:85f5:7dc