Markdown进阶语法

```js [index.ts]{4} meta-info=val
import { defineConfig } from "vite"

export default defineConfig({
    name: "remark-it",
})
```

import { defineConfig } from "vite"

export default defineConfig({
    name: "remark-it",
})

```ts
console.log("hewwo") console.log("hello") console.log("goodbye")
```

console.log("hewwo") console.log("hello") console.log("goodbye")

```ts
console.log("Not highlighted")
console.log("Highlighted") console.log("Not highlighted")
```

console.log("Not highlighted")
console.log("Highlighted") console.log("Not highlighted")

H~2~O

x^2^ + y^2^ + 2xy = (x + y)^2^

Java[^1]

[^1]: Java 是一门静态类型面向对象的语言。

==黄底黑字==

[FootNote 脚注](#footnote-脚注)

[toc]

[[toc]]

[[_TOC_]]

First Term
: This is the definition of the first term.

Second Term
: This is one definition of the second term.
: This is another definition of the second term.

$2^3$

$$2^3$$

$$
\begin{aligned}
\text{第一行：} & 1\\
\text{第二行：} & 2E
\end{aligned}
$$

$$
\frac {\partial^r} {\partial \omega^r} \left(\frac {y^{\omega}} {\omega}\right)
= \left(\frac {y^{\omega}} {\omega}\right) \left\{(\log y)^r + \sum_{i=1}^r \frac {(-1)^i r \cdots (r-i+1) (\log y)^{r-i}} {\omega^i} \right\}
$$

$$
\begin{aligned}
x ={}& a+b+c+{} \\
&d+e+f+g
\end{aligned}
$$

$$
\begin{alignedat}{2}
   10&x+ &3&y = 2 \\
   3&x+&13&y = 4
\end{alignedat}
$$

$$
y= \begin{cases}
-x,\quad x\leq 0 \\
x,\quad x>0
\end{cases}
$$

$$
\tag{1} x+y^{2x}
$$

$$
\tag*{1} x+y^{2x}
$$