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Markdown Features

Docusaurus supports Markdown and a few additional features.

Front Matter​

Markdown documents have metadata at the top called Front Matter:

my-doc.md
---
id: my-doc-id
title: My document title
description: My document description
slug: /my-custom-url
---

## Markdown heading

Markdown text with [links](./hello.md)

Regular Markdown links are supported, using url paths or relative file paths.

Let's see how to [Create a page](/create-a-page).
Let's see how to [Create a page](./create-a-page.md).

Result: Let's see how to Create a page.

Images​

Regular Markdown images are supported.

You can use absolute paths to reference images in the static directory (static/img/docusaurus.png):

![Docusaurus logo](/img/docusaurus.png)

Docusaurus logo

You can reference images relative to the current file as well. This is particularly useful to colocate images close to the Markdown files using them:

![Docusaurus logo](./img/docusaurus.png)

Code Blocks​

Markdown code blocks are supported with Syntax highlighting.

```jsx title="src/components/HelloDocusaurus.js"
function HelloDocusaurus() {
    return (
        <h1>Hello, Docusaurus!</h1>
    )
}
```
src/components/HelloDocusaurus.js
function HelloDocusaurus() {
  return <h1>Hello, Docusaurus!</h1>;
}

Admonitions​

Docusaurus has a special syntax to create admonitions and callouts:

:::tip My tip

Use this awesome feature option

:::

My tip

Use this awesome feature option

:::danger Take care

This action is dangerous

:::

Take care

This action is dangerous

:::info

This plugin also respects some site config:

Some text

:::
к сведению

This plugin also respects some site config:

Some text

MDX and React Components​

MDX can make your documentation more interactive and allows using any React components inside Markdown:

export const Highlight = ({children, color}) => (
  <span
    style={{
      backgroundColor: color,
      borderRadius: '20px',
      color: '#fff',
      padding: '10px',
      cursor: 'pointer',
    }}
    onClick={() => {
      alert(`You clicked the color ${color} with label ${children}`)
    }}>
    {children}
  </span>
);

This is <Highlight color="#25c2a0">Docusaurus green</Highlight> !

This is <Highlight color="#1877F2">Facebook blue</Highlight> !

This is Docusaurus green !

This is Facebook blue !

Сворачивающиеся блоки​

\<details>
\<summary>Заголовок</summary>

Текст вкладки:

\```bash
some code
\```
\</details>
Заголовок

Текст вкладки:

some code

Tabs items​

Блоки кода в табах

module.exports = {
  themeConfig: {
    prism: {
      magicComments: [
        // Remember to extend the default highlight class name as well!
        {
          className: 'theme-code-block-highlighted-line',
          line: 'highlight-next-line',
          block: {start: 'highlight-start', end: 'highlight-end'},
        },
        {
          className: 'code-block-error-line',
          line: 'This will error',
        },
      ],
    },
  },
};
.code-block-error-line {
  background-color: #ff000020;
  display: block;
  margin: 0 calc(-1 * var(--ifm-pre-padding));
  padding: 0 var(--ifm-pre-padding);
  border-left: 3px solid #ff000080;
}
In JavaScript, trying to access properties on `null` will error.

```js
const name = null;
// This will error
console.log(name.toUpperCase());
// Uncaught TypeError: Cannot read properties of null (reading 'toUpperCase')
```