[英]Javascript + Radio Button / CheckBox Validation
在Plain Ole的Javascript中,我是否需要使用循环遍历单选按钮/复选框以查看是否已选中它们,或者是否有更简单的方法?
Yes. 是。 It may be most helpful to...
可能对...最有帮助
document.getElementsByClassName
document.getElementsByClassName
document.getElementsByTagName
(though, the tag is the input
tag, so you may get other elements as well) document.getElementsByTagName
(尽管该标记是input
标记,所以您也可能获得其他元素) However, that is just getting the elements; 但是,这仅仅是获得要素。 but as you've stated, you will still need to iterate through each one to do whatever comparison you like.
但是,正如您已经说过的那样,您仍然需要遍历每个对象来进行自己喜欢的比较。 jQuery will allow you to do this kind of thing more easily, but "Plain Ole' Javascript" cannot.
jQuery将使您可以更轻松地执行此类操作,但是“ Plain Ole'Javascript”则不能。
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