js常用的语句

1. 添加css样式
   $("#txtName").addClass("aa");
   
   ----------------------------------关闭弹窗刷新父页面-----------------------------------
   if(result.retStatus.retCode == 1){
       layer.msg(result.retStatus.errMsg);
       window.setTimeout(function () {window.parent.location.href='query.jhtml'; }, 1000);
       }else{
       layer.msg(result.retStatus.errMsg);
       }
       
       
   success : function(data) {
       var code = data.retStatus.retCode;
       if(code == "1"){
           layer.msg(data.retStatus.errMsg);
           window.parent.location.reload();
           var index = parent.layer.getFrameIndex(window.name); 
           parent.layer.close(index);
           return true;
       }else {
           layer.msg(data.retStatus.errMsg);
           return false;
       }
   }
   
   window.setTimeout(function () {window.location.href='query.jhtml'; }, 1000);
   
   --------------------------------------隐藏框的变化----------------------------------------------------------
   <select name="isPage" id="isPage" lay-filter="isPage">
       <option value="">--请选择--</option>
       <option value="1" <#if channel.isPage?? && channel.isPage == '1' >selected="selected"</#if>>是</option>
       <option value="0" <#if channel.isPage?? && channel.isPage == '0' >selected="selected"</#if>>否</option>
   </select>
   <script>
       layui.use('form', function(){
         var form = layui.form();
         form.on('select(isPage)', function(data){
             console.log(data.value);
             if(data.value=='1'){
                   $("#tr_id").show();
               }else {
                   $("#tr_id").hide();
               }
           });
       });
   </script>
   
   
   --------------------------------------防连击----------------------------------------------------------
   $(".btn-huikuan").removeAttr("onclick");//移除事件
   $(".btn-huikuan").attr("onclick","returnBtn();");//添加事件