c2n/web-componentsv1.0.18
OverviewGetting startedComponentsIconsGuidesExamples
OverviewGetting startedComponentsIconsGuidesExamples
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OTP Input

Form-associated one-time-code field with one cell per character, paste and SMS autofill, grouping and masking.

Attributes

NameTypeDefaultDescription
valuestring—Current code. Characters outside mode are dropped and the value is cut to length.
lengthnumber6Number of cells, i.e. the length of a complete code.
modeOtpInputModenumericCharacters accepted: numeric (digits, numeric keypad) or alphanumeric (letters and digits).
groupnumber0Splits the cells into groups of this size with a separator between them, e.g. 3 for 123-456. 0 disables.
maskedbooleanfalseShows a dot instead of each entered character.
placeholderstring—Single character shown in every empty cell.
namestring—Form field name.
autocompletestringone-time-codeBrowser autocomplete hint. one-time-code lets iOS/Android offer a code received by SMS.
requiredbooleanfalseRequires a complete code before the form can be submitted.
readonlybooleanfalsePrevents editing while keeping the value in form submission.
disabledbooleanfalsePrevents interaction and excludes the value from form submission.
errorbooleanfalseApplies the visual error state and sets aria-invalid.
helpstring—Helper text shown below the cells.
error-textstring—Message shown below the cells while error is set.
aria-labelstring | nullnullAccessible name forwarded to the native input. Defaults to "Verification code".

Slots

NameDescription
supporting-textRich helper content below the cells. help and error-text are plain-text shortcuts.

Events

NameTypeDescription
completeCustomEvent<OtpInputCompleteDetail>Fired when user input fills every cell; detail.value is the code.
inputInputEventRe-dispatched when typing, deleting or pasting changes the value.
changeEventRe-dispatched when an edited value is committed on blur.

CSS custom properties

Grouped by semantic target and state from --c2-<component>__<target>__<state>--<property>. Click a group to collapse it; click a name to copy it.

NameTypeDefaultDescription
c2-otp-input
--c2-otp-input--gappixel8px
--c2-otp-input--font-familyfont-familyinherit
c2-otp-input > cell
--c2-otp-input__cell--widthpixel40px
--c2-otp-input__cell--heightpixel44px
--c2-otp-input__cell--borderborder1px solid #bcbcc6
--c2-otp-input__cell--border-radiusborder-radius6px
--c2-otp-input__cell--colorcolor#18181b
--c2-otp-input__cell--backgroundcolor#ffffff
--c2-otp-input__cell--font-sizefont-size20px
--c2-otp-input__cell--font-weightfont-weight600
c2-otp-input > cell > hover
--c2-otp-input__cell__hover--borderborder1px solid #a1a1aa
c2-otp-input > cell > focus
--c2-otp-input__cell__focus--borderborder1px solid #0265dc
--c2-otp-input__cell__focus--outlineoutline2px solid rgba(2, 101, 220, 0.4)
--c2-otp-input__cell__focus--outline-offsetpixel0px
c2-otp-input > cell > error
--c2-otp-input__cell__error--borderborder1px solid #dc2626
c2-otp-input > cell > read-only
--c2-otp-input__cell__read-only--backgroundcolor#fafafa
c2-otp-input > placeholder
--c2-otp-input__placeholder--colorcolor#71717a
c2-otp-input > caret
--c2-otp-input__caret--colorcolor#18181b
--c2-otp-input__caret--widthpixel1px
--c2-otp-input__caret--heightpixel20px
--c2-otp-input__caret--animation-durationtime1s
c2-otp-input > separator
--c2-otp-input__separator--colorcolor#71717a
--c2-otp-input__separator--widthpixel8px
--c2-otp-input__separator--heightpixel2px
c2-otp-input > disabled
--c2-otp-input__disabled--opacityopacity0.38
c2-otp-input > supporting-text
--c2-otp-input__supporting-text--gappixel4px
--c2-otp-input__supporting-text--font-sizefont-size12px
--c2-otp-input__supporting-text--line-heightpixel16px
--c2-otp-input__supporting-text--colorcolor#71717a
c2-otp-input > supporting-text > error
--c2-otp-input__supporting-text__error--colorcolor#dc2626
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