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我是新来的Javascript和您的建议和帮助将不胜感激。如何在页面刷新时使用javascript显示保存的字段 - JavaScript Rails4
-
当选项
- 当选项
"both men & women"
选择字段显示"quantity_men"
&"quantity_women"
- 当我选择选项
"both men & women"
和字段"quantity_men"
&"quantity_women"
显示,当我写我的qunatity和保存并刷新页面的字段被隐藏
"only men"
或
"only women"
被选择场
"quantity"
显示
问题
- 的男性&妇女得救了,我如何避免当我刷新页面被隐藏的
class= specific_gender_quantity_content
数量。 - 我尝试下面的代码,但我不确定,因为我是新和你的帮助会非常赞赏
的意见/事件/ _form.html.erb
<%= f.association :category_quantitygender, collection: CategoryQuantitygender.all, prompt: "select a category", label: "Quantity Gender Selection" %>
<div class="general_gender_quantity_content">
<%= f.input :quantity, placeholder: "quantity", label: false %>
</div>
<div class="specific_gender_quantity_content">
<%= f.input :quantity_men, placeholder: "quantity men", label: "men" %>
<%= f.input :quantity_women, placeholder: "quantity women", label: "women" %>
</div>
资产/ JavaScript的/ events_form .js文件
$(document).ready(function() {
$('.general_gender_quantity_content').hide();
$('.specific_gender_quantity_content').hide();
$('#social_category_quantitygender_id').change(function() {
if ($(this).val() == 3) {
$('.specific_gender_quantity_content').show();
$('.general_gender_quantity_content').hide();
} else if ($(this).val() == 1, 2) {
$('.general_gender_quantity_content').show();
$('.specific_gender_quantity_content').hide();
}
});
});