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

问题描述

根据引导迁移指南:

将.has-error重命名为.has-danger.

Renamed .has-error to .has-danger.

但是，这似乎不起作用.边框和文字未上色.

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

例如:

<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>

演示:

https://jsfiddle.net/uLa0spfm/

推荐答案

由于Bootstrap 4仍处于Beta版，因此许多迁移文档是验证在Beta中已更改，并且has-danger不再存在.

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.

另请参阅:无法进行验证在Bootstrap 4中工作

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