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模板过滤器 - first


示例

返回列表中的第一个项目

<h1>{{ fruits|first }}</h1>
运行示例 »

定义和用法

The first 过滤器返回对象的第一个项目。

对于字符串,first 过滤器返回第一个字符

示例

返回字符串的第一个字符

<h1>{{ firstname|first }}</h1>
运行示例 »

使用 last 过滤器返回最后一个项目。


语法

模板过滤器通过使用管道 | 字符后跟过滤器的名称来定义。

{{ value|first }}

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