复选框输入在未选中时未定义-AngularJS [英] Checkbox input undefined when unchecked - AngularJS

问题描述

我的AngularJS复选框有问题，当未选中它们时，它们变为undefined.无法弄清楚为什么会这样.

I have an issue with my AngularJS checkbox where they become undefined when they are unchecked. Can't figure out why this is happening.

<input type="checkbox" name="available" ng-model="formData.available" ng-true-value="1" ng-false-value="0" required>

使用上面的代码；页面加载的默认值为0.当其选中时，它变为1.当我取消选中它时，它变成undefined

With the above code; default on page load is 0. when Its checked it becomes 1. When I uncheck it it becomes undefined

任何帮助表示赞赏.

推荐答案

感谢评论，我意识到required选项不是必需的，并且是问题的原因.谢谢大家！

Thanks to the comments I've realised that the required option is not necessary and was the cause of the issue. Thanks guys!

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