Handlebars.js:如何访问每个嵌套的父索引? [英] Handlebars.js: How to access parent index in nested each?
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问题描述
如何在每个循环中访问父级@index值?
p> {{#each company}}
{{#each employee}}
{{../@index}} //如何访问公司索引?
{{/ each}}
{{/ each}}
结果为错误:
期待'ID',得到'DATA'
解决方案
示例中存在语法错误。正确的语法是 {{@ .. / index}}
。
我们正在寻找可以在未来版本的语言中支持这些参数的自定义命名,因此更易于处理。
https://github.com/wycats/handlebars.js/issues/907
How to access parent @index value in each-loop?
Tried the following:
{{#each company}}
{{#each employee}}
{{../@index}} // how to access company index here?
{{/each}}
{{/each}}
This results to an error:
Expecting 'ID', got 'DATA'
解决方案
There is a syntax error in the example. The correct syntax is {{@../index}}
.
We are looking at ways that we can support custom naming of these parameters in future versions of the language so this is easier to deal with. https://github.com/wycats/handlebars.js/issues/907
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