juqery 判断所有input 不能为空

//juqery 判断所有input 不能为空
var $kong = $(".kong");
        $kong.each(function(i){
            if($(this).val() == ""){
                layer.open({
                content: "aaa"  //判断哪个值没填写
                ,skin: ‘msg‘
                ,time: 3 //3秒后自动关闭
                });
            return false;
            }
        });

//判断手机号正确格式

if(!(/^1[3-8]{1}\d{9}$/.test(tel))){
            layer.open({
                content: "请输入正确格式的手机号"  //判断哪个值没填写
                ,skin: ‘msg‘
                ,time: 3 //3秒后自动关闭
                });
            return false;
        }

html
<span><input type="text" placeholder="缴费金额..." name="pay[]" value="" class="name kong score"></span>


juqery 
var isNum = true;
     $(function(){
         $(‘input.score‘).change(function(){
             checkScore();
         });
     })
     var checkScore = function(){
         $.each($(‘input.score‘),function(index,ele){
             var curVal = $(ele).val();
             if(isNaN(curVal)){
                 isNum = false;
                 return false;
             }else{
                 isNum = true;
             }
         })
         //console.log(isNum);
     }


if(!isNum){
            layer.open({
                content: ‘缴费金额只能是数字！‘ //判断哪个值没填写
                ,skin: ‘msg‘
                ,time: 1 //3秒后自动关闭
            });
         }