代码示例:(标识:jsck_attr_name)
<!DOCTYPE html>
<html>
<body>

<h1>HTML DOM Attributes</h1>

<h2>name 属性</h2>

<p>name 属性返回属性的名称:</p>

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

<script>
const element = document.getElementById("demo");
let aName = element.attributes[0].name;

document.getElementById("demo").innerHTML = aName;
</script>

</body>
</html>
运行结果: