vue.jsにおけるfiltersの使い方

    ：http://www.jb51.net/article/118695.htm

<div id="app">
      {{message | filters2| filters3(true,priceCount)}}
div>

<script type="text/javascript">
    var app = new Vue({
          el: "#app",
          data: {
            message: 199,
            priceCount:.8
          },
          filters:{
            filters2:function (arg) {
              console.log("arg:"+arg)
              if(arg>100){
                return arg-8;
              }else {
                return arg;
              }
            },
            filters3:function (arg_1,arg_2,arg_3) {
              var result;
              console.log("arg_1:"+arg_1)
              console.log("arg_2:"+arg_2)
              console.log("arg_3:"+arg_3)
              if(arg_2){
                result = arg_1*arg_3;
                console.log("result"+result);
                return result;
              }else{
                result =arg_1;
                console.log("result"+result);
                return result
              }

            }
          }
        });
script>