| 123456789101112131415161718192021222324252627 | <!DOCTYPE html><html lang="en"><head>  <meta charset="UTF-8">  <meta http-equiv="X-UA-Compatible" content="IE=edge">  <meta name="viewport" content="width=device-width, initial-scale=1.0">  <title>Document</title></head><body>  <script>    var obj = {      name: 'zs'    }    var a = new Proxy(obj,{      get(target,key,property){        console.log(target,key,property)      },      set(target,key,value){        console.log(target,key,value)        return target[key] = value      }    })    a.name = 'lisi'    console.log(a.get)  </script></body></html>
 |