来源于：jade
伪代码： 一般用来模拟真实代码的一种简写方式
伪代码：
1 !!! 5
2 html(lang="en")
3 head
4 title= pageTitle
5 :javascript
6 | if (foo) {
7 | bar()
8 | }
9 body
10 h1 Jade - node template engine
11 #container
12 - if (youAreUsingJade)
13 You are amazing
14 - else
15 Get on it!
16 Get on it!
17 Get on it!
18 Get on it!
真实代码：
<!DOCTYPE html> <html lang="en"> <head> <title>Jade</title> <script type="text/javascript"> //<![CDATA[ if (foo) { bar() } //]]> </script> </head> <body> <h1>Jade - node template engine</h1> <div id="container"> <p>You are amazing</p> </div> </body> </html>
原文：https://www.cnblogs.com/cisum/p/9435859.html