jQuery Validate Plugin - 单个字段的触发验证 [英] jQuery Validate Plugin - Trigger validation of single field

问题描述

我有一个表格可以选择通过facebook连接预先填充。用户连接后，会自动填写其姓名和电子邮件。问题是这不会触发远程验证以检查电子邮件是否已存在。

I've got a form that can optionally be pre-populated via facebook connect. Once a user connects, their name and email are automatically filled in. The problem is that this doesn't trigger the remote validation to check if the email already exists.

有没有办法可以单独调用该字段的验证？类似于：

Is there a way I could call the validation on that field alone? Something like:

$（'＃email-field-only'）。validate（）

会是个主意。通过文档搜索没有运气。

would be idea. Searched through the docs with no luck.

推荐答案

这种方法似乎可以做你想要的：

This method seems to do what you want:

$('#email-field-only').valid();

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