JS实现点击复选框变更DIV显示状态的示例代码

 <div class="row cl">
    <label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>是否存在促销活动：</label>
<div class="formcontrols col-xs-8 col-sm-9 skin-minimal">
<div class="check-box">
<input type="checkbox" value="1" id="ishaveactive" >
<label for="ishaveactive"> </label>
</div>
</div>
</div>
  
  <div id="active" name="active" style="display:none;">
  <div class="row cl" >
<label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>现价：</label>
<div class="formcontrols col-xs-8 col-sm-9">
<input type="number" step="0.01" class="input-text" value="${pricechange.price}" placeholder="" id="price" name="price" >
元/l
</div>
</div>   
  
  <div class="row cl" >
<label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>活动名：</label>
<div class="formcontrols col-xs-8 col-sm-9">
<input type="text" class="input-text" value="${pricechange.active_name}" placeholder="" id="active_name" name="active_name" >
</div>
</div>   
 <div class="row cl" >
<label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>距挂牌价：</label>
<div class="formcontrols col-xs-8 col-sm-9">
<input type="number" step="0.01" class="input-text" value="${pricechange.gap_guapai}" placeholder="" id="gap_guapai" name="gap_guapai" >
元/l
</div>
</div>    
  
  <div class="row cl" >
<label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>促销活动形式：</label>
<div class="formcontrols col-xs-8 col-sm-9">
<input type="text" class="input-text" value="${pricechange.activity_form}" placeholder="" id="activity_form" name="activity_form" >
</div>
</div> 
  <div class="row cl" >
<label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>促销活动优惠幅度：</label>
<div class="formcontrols col-xs-8 col-sm-9">
<input type="number" step="0.01" class="input-text" value="${pricechange.activity_gap}" placeholder="" id="activity_gap" name="activity_gap" >
元/l
</div>
</div>   
</div>
  
  

jquery(document).ready(function($) { 
 
//是否添加活动内容 
 
$("#ishaveactive").change(function(){  
 
   var div = $("#active");  
   div.css("display") === "none" && div.show() || div.hide(); 
 
 });