Jade之Interpolation

Interpolation

jade为不一样的需求提供了一些特殊的操做符。详见Githubhtml

= 将右边的值赋予左边,或者替换为右边变量的值。git

//- 赋值,js格式便可。
- var title = "On Dogs: Man's Best Friend";

//- 替换,注意左边无空格右边需有空格。
h= title

#{val}将引用处替换为val变量的值。github

- var author = "Tom";

//- 编译生成的html中为Tom,而不是#{author}
p Written with love by #{author}

在属性那一章的特殊属性中曾提到,相似<这样的特殊符号编译后将为&lt。一样在使用#{val}的时候,若val变量的值含有这些特殊符号的时候,编译也会变成&lt这样的形式。
为了不出现如上形式,能够采用!{val}数组

jade:this

- var riskyBusiness = "<em>Some of the girls are wearing my mother's clothing.</em>";

.quote
  p Joel: !{riskyBusiness}

html:code

<div class="quote">
  <p>Joel: <em>Some of the girls are wearing my mother's clothing.</em></p>
</div>

若是须要在文本内容中插入标签的话,能够使用#[...]htm

jade:jade

p.
  If you take a look at this page's source #[a(target="_blank", href="https://github.com/jadejs/jade/blob/master/docs/views/reference/interpolation.jade") on GitHub],
  you'll see several places where the tag interpolation operator is
  used, like so.

html:get

<p>If you take a look at this page's source <a target="_blank" href="https://github.com/jadejs/jade/blob/master/docs/views/reference/interpolation.jade">on GitHub</a>,
  you'll see several places where the tag interpolation operator is
  used, like so.
</p>

循环

jade支持for / while / each三种循环方式,其中for / while均与常见的循环同样。it

each循环能够用来遍历整个数组。

jade:

- var name = ['Tom', 'Jim', 'Alex', 'Jack'];
each i in name
  p= i

html:

<p>Tom</p>
<p>Jim</p>
<p>Alex</p>
<p>Jack</p>
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