jQuery实现简单评论区

<div id="box">
 <div id="fabu">
 <textarea placeholder="请输入内容吧！！！" id="text"></textarea>
 </div>
 
 <button onclick="fun1()" id="btn_1">发布</button>
 
 <div id="pinlun"> </div>
</div>

{ 
 padding: 0;
 margin: 0;
 }
 #box{
 width: 600px;
 background-color: aqua;
 margin: 0 auto;
 }
 #fabu{
 width: 600px;
 height: 300px;
 background-color: burlywood;
 }
 #pinlu{
 width: 600px;
 background-color: aqua;
 }
 textarea{
 width: 600px;
 height:300px;
 border: none;
 background-color: burlywood;
 font-size: 24px;
 }
 #btn_1{
 width: 600px;
 height: 30px;
 background-color: cornflowerblue;
 outline: none;
 }
 ::placeholder{
 font-size: 24px;
 }
 #btn_2{
 width: 80px;
 height: 30px;
 background-color: brown;
 border-radius: 4px;
 
 }
 
 p{text-align: right;}
 #neirong{
 background-color: coral;
 border: 1px solid burlywood;
 
}

function fun1(){
 $('#pinlun').append(
  "<div id='neirong'>" + text.value+"<br><p><button id='btn_2'>删除评论</button></p></div>");
  text.value="";}

 (function fun2() {
  $("#pinlun").on("click", "button", function() {
  $(this).parent().parent().remove();
 })})()