在form加autocomplete="off"或者给各个input加autocomplete="off",
注:不要用JQuery设置$("form").attr("AUTOCOMPLETE","off");
<form method="post" action="/form" autocomplete="off">
[…]
</form>
<form method="post" action="/form">
[…]
<div>
<label for="cc">Credit card:</label>
<input type="text" id="cc" name="cc" autocomplete="off">
</div>
</form>