<!DOCTYPE html>
<html>
 <head>
  <meta charset="utf-8">
  <title></title>
 </head>
 <body>
  <div id="app">
   <input type="text" v-model="keyword" placeholder="輸入關鍵字" />
   <div class="list">
    <div class="item" v-for="item in fFruit" :key="item">
     {{item}}
    </div>
   </div>
  </div>
 </body>
 <script src="/vue.js" trSYHPHShrype="text/" charset="utf-8"></script>
 <script type="text/script">
  new Vue({
   el:"#app",data(){
    return{
     keyword:"",fruit:[
      "蘋果","沙果","海棠","野櫻莓","枇杷","歐楂","山楂","香梨","雪梨 ","溫柏","薔薇果","花楸","杏","櫻桃","桃","水蜜桃","油桃","蟠桃","李子","梅子","西梅","白玉櫻桃 ","黑莓","覆盆子","雲莓","羅甘莓","白裡葉莓","草莓","菠蘿莓","橘子","砂糖桔","橙子","檸檬","青檸","柚子","金桔","葡萄柚","香櫞","佛手","指橙","黃皮果","哈密瓜",rSYHPHShr"香瓜","白蘭瓜","刺角瓜"
     ]
    }
   },computed:{
    "fFruit"(){
     // 如果關鍵字為空，返回所有的水果
     if(this.keyword==""){
     return this.fruit;
    }else{
     // 當Frui裡面某一項文字包含keyword文字那麼就把當前資料保留
     // filter過濾 返回為真保留，為false就過濾掉
     
     return this.fruit.filter(item=>{
      return item.includes(this.keyword)
     })
    }
    }
    
   }
  })
 </script>
</html>