Reasons to Use Autocomplete
Completion requirements
The HTML The autocomplete attribute lets the developer decide if they want to enable the user to have automated assistance in filling out the form. You can determine where you want the automated responses to come from. They can come from values the user entered previously or pre-configured values the developer has decided upon.
Examples
<div> <label for="cc-number">Enter your credit card number</label> <input name="cc-number" id="cc-number" autocomplete="off" /> </div>