MD 代码块指定语言类型 
一、MD 代码块指定语言类型 
使用方法 ``` 关键字 如 ```js,表示代码块是 JS 类型
shell
  ```js
   const ABC = 'abc';
  ```得到效果:
js
const ABC = 'abc'二、如何在 markdown 中显示一组 ``` 
使用 “\”:
shell
  \```
  some code
  \`````` some code ```
三、代码类型关键字对应表 
| 名称 | 关键字 | 调用的 js | 
|---|---|---|
| AppleScript | applescript | shBrushAppleScript.js | 
| ActionScript 3.0 | actionscript3, as3 | shBrushAS3.js | 
| Shell | bash, shell | shBrushBash.js | 
| ColdFusion | coldfusion, cf | shBrushColdFusion.js | 
| C | cpp, c | shBrushCpp.js | 
| C# | c#, c-sharp, csharp | shBrushCSharp.js | 
| CSS | css | shBrushCss.js | 
| Delphi | delphi, pascal, pas | shBrushDelphi.js | 
| diff&patch | diff patch | shBrushDiff.js | 
| Erlang | erl, erlang | shBrushErlang.js | 
| Groovy | groovy | shBrushGroovy.js | 
| Java | java | shBrushJava.js | 
| JavaFX | jfx, javafx | shBrushJavaFX.js | 
| JavaScript | js, jscript, javascript | shBrushJScript.js | 
| Perl | perl, pl, Perl | shBrushPerl.js | 
| PHP | php | shBrushPhp.js | 
| text | text, plain | shBrushPlain.js | 
| Python | py, python | shBrushPython.js | 
| Ruby | ruby, rails, ror, rb | shBrushRuby.js | 
| SASS&SCSS | sass, scss | shBrushSass.js | 
| Scala | scala | shBrushScala.js | 
| SQL | sql | shBrushSql.js | 
| Visual Basic | vb, vbnet | shBrushVb.js | 
| XML | xml, xhtml, xslt, html | shBrushXml.js | 
| Objective C | objc, obj-c | shBrushObjectiveC.js | 
| F# | f# f-sharp, fsharp | shBrushFSharp.js | 
| xpp | dynamics-xpp | shBrushDynamics.js | 
| R | r, s, splus | shBrushR.js | 
| matlab | matlab | shBrushMatlab.js | 
| swift | swift | shBrushSwift.js | 
| GO | go, golang | shBrushGo.js |