html运行实例（jsck_element_getattribute

代码示例：（标识：jsck_element_getattribute_1）

<!DOCTYPE html>
<html>
<body>

<h1 id="myH1" class="democlass">Element 对象</h1>

<h2>getAttribute() 方法</h2>

<p>h1 元素的 class 属性的值是：</p>

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

<script>
const element = document.getElementById("myH1"); 
let text = element.getAttribute("class"); 
document.getElementById("demo").innerHTML = text;
</script>

</body>
</html>