🧪 Full Syntax Test Post

Heading Levels

Level 3 Heading

Level 4 Heading

Level 5 Heading

Level 6 Heading

Text Styles

Normal paragraph here, with bold text, italic text, strikethrough, bold italic, highlighted text, inline code, _subscript and ^superscript.

A long text for line wrap testing. The quick brown fox jumps over the lazy dog. Pack my box with five dozen liquor jugs. 中日文混排没有问题。

Blockquotes

Level 1 blockquote.

Level 2 nested blockquote.

Level 3 nested blockquote for demonstration.

Lists

Unordered List

• Item one
• Item two
  • Nested sub-item A
  • Nested sub-item B
• Item three

Ordered List

1. First step
2. Second step
3. Third step
   1. Sub-step 3.1
   2. Sub-step 3.2

Task List

• Completed task
• Incomplete task
• Another todo item

Code

Inline code: Use console.log('Hello World') to output.

Code blocks:

function greet(name) {
    return `Hello, ${name}!`;
}

// JavaScript example
const result = greet('Ethan');
console.log(result);

def fibonacci(n):
    """Generate Fibonacci sequence"""
    a, b = 0, 1
    for _ in range(n):
        yield a
        a, b = b, a + b

# Test
print(list(fibonacci(10)))

.tag-filter-btn {
    display: flex;
    align-items: center;
    border-radius: 999px;
    transition: all 0.3s ease;
}

Tables

Links & Images

This is an inline link.

Image test (external):

Math (KaTeX)

Inline: $E = mc^2$

Block:

Keyboard Keys

Press Ctrl + C to copy, Ctrl + V to paste.

Horizontal Rules

Footnotes

A sentence with a footnote¹.

Conclusion

This post demonstrates all common Markdown syntax elements and includes all 9 tags for testing the tag filter feature.