菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>

<h2>JavaScript 类</h2>

<p>如何使用 JavaScript 类</p>

<p id="demo"></p>

<script>
class Runoob {
  constructor(name, url) {
    this.name = name;
    this.url = url;
  }
}
 
let site = new Runoob("菜鸟教程",  "https://www.248k.com");
document.getElementById("demo").innerHTML =
site.name + "：" + site.url;
</script>

</body>
</html>
              