<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="utf-8" />
    <title>变量：任务3</title>
    <link rel="stylesheet" href="../styles.css" />
  </head>

  <body>
    <section class="preview"></section>

    <textarea class="playable playable-js" style="height: 220px;">
// 在下方编写代码


const myName = 'Default';
myName = '李雷'

let myAge = '18';

// 不要编写此行以下的代码！

section.innerHTML = ' ';
let para1 = document.createElement('p');
let para2 = document.createElement('p');
para1.textContent = `我是 ${myName}`;
para2.textContent = `20 年后我 ${myAge + 20} 岁`;
section.appendChild(para1);
section.appendChild(para2);
    </textarea>

    <div class="playable-buttons">
      <input id="reset" type="button" value="Reset" />
    </div>
  </body>
  <script class="editable"></script>
  <script src="../playable.js"></script>
</html>
