<body>
    <input type="text" id="input">
    <script>
        let obj = {};
        let temp = {};
        Object.defineProperty(obj,‘name‘,{
            get(){
                return temp["name"]
            },
            set(val){
               temp["name"] = val;
               inputss.value = val;
            }
        })
        input.addEventListener(‘input‘,function(){
            obj.name = this.value 
        })
    </script>
</body>