To disable autocomplete of an input field, the code is as follows −
Example
<!DOCTYPE html>
<html>
<head>
<style>
input{
font-size: 18px;
padding: 10px;
margin: 10px;
border:1px solid grey;
}
</style>
</head>
<body>
<h1>Autocomplete on/off Example</h1>
<form>
First name: <input type="text" name="firstName" autocomplete="off"><br>
Last name: <input type="text" name="lastName" autocomplete="on"><br>
<input type="submit">
</form>
<h2>Type in the above fields and refresh page to see autocomplete at work</h2>
</body>
</html>Output
The above code will produce the following output −

On typing something in the above fields after submitting the form one time −
