点击select下拉框，触发事件

<div class="controls moneycheck floatleft">
                                                                                                <select class="span12 chosen_category" style="height:25px;width: auto;">
                                                                                                    <option value="0">未付款</option>
                                                                                                    <option value="1">已付款</option>
                                                                                                </select>
                                                                                            </div>
                                                                                            <div class="controls moneycheck1 floatleft" style="visibility:hidden;">
                                                                                                <select class="span12 chosen_category" style="height:25px;width: auto;">
                                                                                                    <option>现金</option>
                                                                                                    <option>转账</option>
                                                                                                    <option>刷卡</option>
                                                                                                    <option>微信</option>
                                                                                                    <option>支付宝</option>
                                                                                                </select>
                                                                                            </div>

//                     js   点击下拉框，显示现金方式
                      $(function(){
                          $(".moneycheck select").bind('change',function(){
//                            console.log($(this).html());console.log($(this).val());
                              if($(this).val()==0){
                                  $(this).parents(".moneycheck").siblings(".moneycheck1").css("visibility","hidden");
                              }if($(this).val()==1){
                                  $(this).parents(".moneycheck").siblings(".moneycheck1").css("visibility","visible");
                              }
                          })
                      })

转自：https://www.cnblogs.com/dazhangli/p/6668320.html