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

<h1>form autocomplete 属性</h1>

<p>请填写并提交表单,然后重新加载页面,再次开始填写表单 - 查看 autocomplete 的工作原理。</p>

<p>然后,请尝试把 autocomplete 设置为 "off"。</p>

<form action="/Index/Demo/demo_form.html" autocomplete="on">
  First name:<br>
<input type="text" name="firstname" value="Mickey">
<br>
Last name:<br>
<input type="text" name="lastname" value="Mouse">
<br><br>
<input type="submit" value="Submit">
</form>

</body>
</html>
运行结果: