jquery input내용 한번에 빈값 확인

<script>
    function acrrCheck(a){
        var txtEle = $(a).children().find('input[type=text]');
        for(var i = 0; i < txtEle.length; i ++){
        // console.log($(txtEle[i]).val());
            if("" == $(txtEle[i]).val() || null == $(txtEle[i]).val()){
                var ele_id = $(txtEle[i]).attr("id");
                //console.log("id : " + ele_id);
                showAlert(ele_id);
                return false;  //비어있으면 false 반환
            }
        }
        return true;
    }

    function showAlert(ele_id){
        $("#" + ele_id).focus();
    }

    $(document).on("click","input:submit",function(){
    var result = acrrCheck(".person");
     if(result==false){
            alert("입력을 확인하세요.");
            return false;
      } else{
           return true;//from action 진행
      }
    });
</script>

 <form method='post' action='#'>
       <table class ="person">
            <tr>
                <td>
                    이름: <input id="name" type="text"  name ="name"/>
                </td>
                <td>
                    직업: <input id="job" type="text" name="job"/>
                </td>
                <td>
                    연봉: <input id="sal" name="sal" type="text"/>
                </td>
                <td>
                    부서: <input id="dept" name="dept" type="text"/>
                </td>
                <td>
                    <input id="dept" name="dept" type="submit"/>
                </td>
            </tr>
       </table>
 </form>