One-time code
Six boxes; paste fills them all
Six digits
Code
<div class="otp" data-otp>
<input inputmode="numeric" maxlength="1" aria-label="Digit 1" autocomplete="one-time-code">
<input inputmode="numeric" maxlength="1" aria-label="Digit 2" autocomplete="off">
<input inputmode="numeric" maxlength="1" aria-label="Digit 3" autocomplete="off">
<input inputmode="numeric" maxlength="1" aria-label="Digit 4" autocomplete="off">
<input inputmode="numeric" maxlength="1" aria-label="Digit 5" autocomplete="off">
<input inputmode="numeric" maxlength="1" aria-label="Digit 6" autocomplete="off">
</div>Four digits
Code
<div class="otp" data-otp>
<input inputmode="numeric" maxlength="1" aria-label="Digit 1" autocomplete="one-time-code">
<input inputmode="numeric" maxlength="1" aria-label="Digit 2" autocomplete="off">
<input inputmode="numeric" maxlength="1" aria-label="Digit 3" autocomplete="off">
<input inputmode="numeric" maxlength="1" aria-label="Digit 4" autocomplete="off">
</div>