has-danger 不再适用于 Bootstrap v4 测试版? [英] has-danger no longer working on Bootstrap v4 beta?

问题描述

根据引导程序迁移指南:

<块引用>

将 .has-error 重命名为 .has-danger.

然而，这似乎不起作用.边框和文本未着色.

例如:

<label class="form-control-label" for="inputDanger1">输入有危险</label><input type="text" class="form-control form-control-danger" id="inputDanger1"><div class="form-control-feedback">抱歉，该用户名已被占用.试试另一个?</div><small class="form-text text-muted">保持不变的帮助文本示例.</small>

演示:

https://jsfiddle.net/uLa0spfm/

解决方案

由于 Bootstrap 4 仍处于 Beta 版，大部分迁移文档是 与实际版本不同步.测试版中的验证已更改，并且has-danger 不再存在.

另见:无法进行验证在 Bootstrap 4 中工作

According to the Bootstrap migration guide:

Renamed .has-error to .has-danger.

However, that doesn't seem to work. Border and text has not been coloured.

For example:

<div class="form-group has-danger">
    <label class="form-control-label" for="inputDanger1">Input with danger</label>
    <input type="text" class="form-control form-control-danger" id="inputDanger1">
    <div class="form-control-feedback">Sorry, that username's taken. Try another?</div>
    <small class="form-text text-muted">Example help text that remains unchanged.</small>
</div>

Demo:

https://jsfiddle.net/uLa0spfm/

解决方案

Being that Bootstrap 4 is still in Beta, much of the migration documentation is not in sync with actual releases. Validation has changed in beta, and has-danger no longer exists.

Also see: Can't make the validation work in Bootstrap 4

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