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

<h1>Element 对象</h1>

<h2>innerHTML 属性</h2>

<p id="demo">单击按钮可删除我的 HTML 内容 (innerHTML)。</p>
<button onclick="myFunction()">试一试</button>

<script>
function myFunction() {
  document.getElementById("demo").innerHTML = "";
}
</script>

</body>
</html>
运行结果: