车把计数器#each [英] Counter for handlebars #each

问题描述

$ b $

 <$>在Handlebars中，假设我有一个名字集合 c $ c $> {{＃每个姓名}} 
 {{职位}} 
 {{姓名}} 
 {{/每个}} 
  

其中{{position}}为第一个名字为1，第二个名字为2等。我是否必须将位置存储为键集合？

解决方案

您可以使用内置Handlebars @index表示法完成此操作：

  {{＃each array}} 
 {{@index}}：{{this}} 
 {{/ each}} 
  

@index将给出给定数组中每个项目的（从零开始）索引。

请注意，对于使用带有Razor视图引擎的Handlebars的用户，您必须使用符号@@ index来避免编译错误。

有关更多内置帮助程序，请参阅 http://handlebarsjs.com/

In Handlebars, say i have a collection of names how can i do

{{#each names}}
{{position}}
{{name}}
{{/each}}

where {{position}} is 1 for the first name, 2 for the second name etc. Do I absolutely have to store the position as a key in the collection?

解决方案

You can do this with the built-in Handlebars @index notation:

{{#each array}}
  {{@index}}: {{this}}
{{/each}}

@index will give the (zero-based) index of each item in the given array.

Please note for people using Handlebars with the Razor view engine you must use the notation @@index to avoid compilation errors.

For more built-in helpers see http://handlebarsjs.com/

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