content to hide

The first possible answer
The second possible answer
The third possible answer

Go to the shops
Buy a new computer
Swear at computer when it crashes

The first possible answer
The second possible answer
The third possible answer

Good Morning

printf("hello world!\n")

“jizilin2021” ：
有作家先生撰写的文本

Syntax	Description	Test Text
Header	Title	Here's this
Paragraph	Text	And more

Syntax	Description
Header	Title
Paragraph	Text

{
  "firstName": "John",
  "lastName": "Smith",
  "age": 25
}

[¹]: This is the first footnote.

~~世界是平坦的~~

Write the press release
Update the website
Contact the media
***
http://www.example.com
***

免责声明

本软件按"原样"提供，不提供任何形式的明示或暗示担保。

Python:

def calculate_area(radius):
    """计算圆的面积"""
    import math
    return math.pi * radius ** 2

# 使用函数
area = calculate_area(5)
print(f"圆的面积是: {area:.2f}")

Git 风格差异:

@@ -1,5 +1,8 @@
 function greetUser(name) {
-    console.log("Hello " + name);
+    if (!name) {
+        throw new Error("Name is required");
+    }
+    console.log(`Hello, ${name}!`);
 }

// 之前的代码
const oldFunction = () => {
    var x = 10;  // &#x274c; 使用 var
    console.log("Value: " + x);  // &#x274c; 字符串拼接
}

// 改进后的代码  
const newFunction = () => {
    const x = 10;  // &#x2705; 使用 const
    console.log(`Value: ${x}`);  // &#x2705; 模板字符串
}

要运行这个脚本，请使用以下命令：

npm install
npm start

执行后会在 http://localhost:3000 看到结果。

前端开发
- 页面布局
- 交互功能
- 响应式适配
后端开发
- 数据库设计
- API 开发
- 性能优化

使用 git commit 命令提交代码

Email链接

no.one@domain.adr

[email]no.one@domain.adr[/email]

Markdowm 表格

表头	表头
单元格	单元格
单元格	单元格

|  表头   | 表头  |
|  ----  | ----  |
| 单元格  | 单元格 |
| 单元格  | 单元格 |

下划线

Good Morning

[u]Good Morning[/u]

Mackdown复选框

Write the press release
- Update the website
Contact the media

- [x] Write the press release
 - [ ] Update the website 11
- [ ] Contact the media 233

Git 代码差异风格

@@ -1,5 +1,8 @@
 function greetUser(name) {
-    console.log("Hello " + name);
+    if (!name) {
+        throw new Error("Name is required");
+    }
+    console.log(`Hello, ${name}!`);
 }

```diff@@ -1,5 +1,8 @@
 function greetUser(name) {
-    console.log("Hello " + name);
+    if (!name) {
+        throw new Error("Name is required");
+    }
+    console.log(`Hello, ${name}!`);
 }
```

BBcode 列表

>! [list]为无序列表 || [list=a]为[a,b,c,d] || [list=A]为[A,B,C,D] || [list=1]为[1,2,3,4] || [list=i]为[i,ii,iii,iiii]

示例使用`list`

Go to the shops
Buy a new computer
Swear at computer when it crashes

[list]
[*]Go to the shops
[*]Buy a new computer
[*]Swear at computer when it crashes
[/list]

[down link="https://flarum.org/" size=2kB name=reborn.zip]