Autocomplete prevents the form from automatically filling in

autocomplete Property specifies whether the input field should have autocomplete enabled .

 Text boxes use autocomplete="off", such as ：
<input type="text" autocomplete="off" name="username"/>

 Password text box use autocomplete="new-password", such as ：
<input type="password" autocomplete="new-password" name="password"/>

 The entire form cannot be automatically filled , It can be defined directly in form In the label , such as ：
<form method="post" action="url" autocomplete="off">
</form>

 To enable autocomplete html Forms （ One of the input fields disables autocomplete ）, such as ：
<form method="post" action="url" autocomplete="on">
<input type="text" name="username"/>
<input type="text" name="email" autocomplete="off"/>
</form>