console 命令行工具 X clear

console

<div id="app">
    <p id="name">313213</p>
</div>
<script>
var demo={}
Object.defineProperty(demo,'name',{
get(){
    return document.querySelector('#name').innerHTML
},
set(value){
document.querySelector('#name').innerHTML=value

}
})
demo.name='lizhiyong'


</script>