问jquery中带有if条件的&&语句不起作用

EN

  <! HTML Code !>
  <form id="myform" action="new.php"  enctype="multipart/form-data" 
   autocomplete="off">
 <h4 style="font-family: Times New Roman, Times, serif;">ID</h4>
 <input class="form-control" name="id" id="id"  style="margin-left:100px; 
 background: url(icons/id.png) no-repeat scroll 5px 5px; padding-left:35px;
  border-radius: 6px 6px 6px 6px; width:360px; margin-top:-40px;"  
  type="text" placeholder="Your ID Here">
 <h4 style="font-family: Times New Roman, Times, serif;">Name</h4>
 <input class="form-control" name="name" id="newname"  style="margin- 
 left:100px; width:360px; background: url(icons/name2.png) no-repeat scroll 
 5px 5px; padding-left:35px; border-radius: 6px 6px 6px 6px; margin- 
 top:-40px;"  type="text" placeholder="Your Name Here">
 </form>
  <! Script Code !>
  <script type="text/javascript">
  $(document).ready(function (){
    $("#myform").on('submit',(function(e){
        e.preventDefault();
        var id=$("#id").val();
        var name=$("#newname").val();
        if( name=="" && id=="")
        {
            sweatalertInfo();
        }else{
        $.ajax({
            url: "newteam.php",
            type: "POST",
            data:  new FormData(this),
            contentType: false,
            cache: false,
            processData:false,
            success: function(data){
                sweatalertPass();
                //alert(data);
                $('form').trigger("reset");
                },
            error: function (data) {
            }
          });
        }
       }));
      });
    </script>