html运行实例（jsck_node_textcontent

代码示例：（标识：jsck_node_textcontent_1）

<!DOCTYPE html>
<html>
<body>

<h1>Element 对象</h1>

<h2>textContent 属性</h2>

<button id="myBtn">试一试</button>

<p>按钮的文字内容是：</p>

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

<script>
let text = document.getElementById("myBtn").textContent;
document.getElementById("demo").innerHTML = text;  
</script>

</body>
</html>