代码示例:(标识:eg_js_dom_change_innerhtml_1)
<!DOCTYPE html>
<html>
<body>

<h2>JavaScript 可以更改 HTML</h2>

<p id="p1">Hello World!</p>

<script>
document.getElementById("p1").innerHTML = "Hello Kitty!";
</script>

<p>上面的段落由脚本更改。</p>

</body>
</html>
运行结果: