将 Jquery 与 Ruby on Rails 和 Simple Form Gem 结合使用,我可以在更改单选按钮时成功显示/隐藏 div,但是尽管进行了多次尝试,我还是无法在页面加载时使用它 - div 总是显示,无论单选按钮是真还是假。任何帮助都会非常感谢。
jQuery(document).ready(function() {
jQuery('[name="user[nurse_attributes][qualified]"]').on('change', function() {
if (jQuery(this).val() == 'true' ) {
jQuery('#denied-quote-one').hide();
} else {
jQuery('#denied-quote-one').show();
}
});
});
更新 - 单选按钮的 HTML 输出:
<div class="form-group radio_buttons optional user_nurse_qualified">
<input type="hidden" name="user[nurse_attributes][qualified]" value="">
<span class="radio">
<label for="user_nurse_attributes_qualified_true">
<input class="radio_buttons optional" type="radio" value="true" checked="checked" name="user[nurse_attributes][qualified]" id="user_nurse_attributes_qualified_true">Yes
</label>
</span>
<span class="radio">
<label for="user_nurse_attributes_qualified_false">
<input class="radio_buttons optional" readonly="readonly" type="radio" value="false" name="user[nurse_attributes][qualified]" id="user_nurse_attributes_qualified_false">No
</label>
</span>
</div>
<div id="denied-quote-one" style="display: block;">
<p class="p-red">Unfortunately we cannot give you a quote if your answer to this question is no. You will not be able to move forward.
</p>
</div>
最佳答案
您上面的代码为单选按钮上的 change
事件添加了一个事件处理程序。除此之外,您需要在页面加载时检查 :checked
单选按钮的值,并根据该值显示/隐藏。
注意:为防止闪烁,请为元素提供 display: none
的初始样式。
jQuery(document).ready(function() {
if ( jQuery('[name="user[nurse_attributes][qualified]"]:checked').val() !== 'true' ) {
jQuery('#denied-quote-one').show();
}
jQuery('[name="user[nurse_attributes][qualified]"]').on('change', function() {
if (jQuery(this).val() == 'true' ) {
jQuery('#denied-quote-one').hide();
} else {
jQuery('#denied-quote-one').show();
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="form-group radio_buttons optional user_nurse_qualified">
<input type="hidden" name="user[nurse_attributes][qualified]" value="">
<span class="radio">
<label for="user_nurse_attributes_qualified_true">
<input class="radio_buttons optional" type="radio" value="true" checked="checked" name="user[nurse_attributes][qualified]" id="user_nurse_attributes_qualified_true">Yes
</label>
</span>
<span class="radio">
<label for="user_nurse_attributes_qualified_false">
<input class="radio_buttons optional" readonly="readonly" type="radio" value="false" name="user[nurse_attributes][qualified]" id="user_nurse_attributes_qualified_false">No
</label>
</span>
</div>
<div id="denied-quote-one" style="display: none;">
<p class="p-red">Unfortunately we cannot give you a quote if your answer to this question is no. You will not be able to move forward.
</p>
</div>
关于javascript - 根据单选按钮值在页面加载时显示/隐藏 div - Jquery 和 Ruby on Rails 简单表单,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/44766827/