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State Management in React 2025

This is a full-feature post demo. You can use italic, bold, bold+italic, and strikethrough. Inline code: const api = "ready".

Highlighted text using HTML mark tag.

Headings H2

H3

H4

H5

H6

Blockquote example.
Multiline quote with a line break.

---

Line breaks with HTML:
Line 1
Line 2

Lists

• Bullet item 1
• Bullet item 2
  • Nested bullet A
  • Nested bullet B

1. Numbered item 1
2. Numbered item 2
   1. Nested number A
   2. Nested number B

Task / Checklist

• Done item
• Pending item

Table (GFM)

Code Blocks

export function hello() {
  console.log("Hello, world!");
}

npm run dev

Links & Images

OpenAI

Emojis 😄🚀✨

Footnote Example

Here is a statement with a footnote.¹

Definition List

Term 1

Definition for term 1

Term 2

Definition for term 2

Math (KaTeX)

Inline math: $E = mc^2$

Block math:

$$\int_0^1 x^2 \, dx = \frac{1}{3}$$

HTML Inside Markdown

Expandable section

This content is inside a details/summary block.

Embedded Video (iframe)

Mermaid (if enabled)

graph TD
  A[Start] --> B{Decision}
  B -->|Yes| C[Do it]
  B -->|No| D[Skip it]

Footnotes

1. This is the footnote text. ↩