console 命令行工具 X clear

console

let obj={}
Object.defineProperty(obj,'name',{
    get() {
       console.log("我读了")
    },
    set(val){
        document.getElementById("sDiv").innerHTML= val
        console.log("我写了")
        return val
    }
})
document.getElementById('inp').addEventListener('input',function(e){
console.log(e.target.value)
  obj.name = e.target.value
})

<input type="text" value="" id="inp"/>
<div id="sDiv"></div>