c2n/web-componentsv1.0.18
OverviewGetting startedComponentsIconsGuidesExamples
OverviewGetting startedComponentsIconsGuidesExamples
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Slider

Range input with a themeable track, thumb, step ticks and value bubble.

Attributes

NameTypeDefaultDescription
modeSliderModesinglesingle for one value, range for two thumbs selecting valueStart–valueEnd.
valuenumber0Current value, clamped to min/max and snapped to step by the inner input.
value-startnumber0Lower end of the selected interval in range mode. Kept at or below valueEnd.
value-endnumber100Upper end of the selected interval in range mode. Kept at or above valueStart.
minnumber0Minimum selectable value.
maxnumber100Maximum selectable value.
stepnumber1Increment between values; also the distance between ticks.
disabledbooleanfalseDisables the control: no interaction, rendered dimmed.
namestring—Form field name forwarded to the inner input.
orientationSliderOrientationhorizontalDirection of the track. A vertical slider takes --c2-slider__container--length as its height.
show-valuebooleanfalseShows the value in a bubble above the thumb while hovering, dragging or focused.
ticksbooleanfalseDraws a mark on the track for every step between min and max (up to 200 marks).
start-labelstringMinimumAccessible name of the lower thumb in range mode, appended to aria-label when that is set ("Price, Minimum").
end-labelstringMaximumAccessible name of the upper thumb in range mode, appended to aria-label when that is set.
aria-labelstring—Accessible name used when no visible label names the slider.
aria-labelledbyundefined | string—Id of the element that labels the slider.

Events

NameTypeDescription
inputEventRe-dispatched from the inner input while the value changes (every step of a drag). In range mode, read valueStart/valueEnd.
changeEventRe-dispatched from the inner input when the value is committed (pointer released, key released).

CSS parts

Shadow DOM styling hooks used with ::part(name). Prefer CSS custom properties when they cover the change.

NameDescription
trackThe complete slider track.
fillThe track segment before the current value (between the two thumbs in range mode).
thumbThe draggable value handle (both handles in range mode).
thumb-startThe lower handle in range mode.
thumb-endThe upper handle in range mode.
valueThe value bubble shown above the thumb when show-value is set.

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-slider
c2-slider > container
--c2-slider__container--heightpixel32pxHeight of the horizontal slider (width when vertical); the touch target.
--c2-slider__container--lengthpixel160pxLength of a vertical slider. A horizontal one fills its width.
c2-slider > container > disabled
--c2-slider__container__disabled--opacityopacity0.38
c2-slider > track
--c2-slider__track--heightpixel4px
--c2-slider__track--border-radiusborder-radius999px
--c2-slider__track--colorcolor#e4e4e7
c2-slider > track > error
--c2-slider__track__error--colorcolor#dc2626Unfilled track while an enclosing c2-form-field shows an error.
c2-slider > fill
--c2-slider__fill--colorcolor#0265dcFilled part of the track, from the start to the thumb.
c2-slider > thumb
--c2-slider__thumb--sizepixel18px
--c2-slider__thumb--border-radiusborder-radius999px
--c2-slider__thumb--colorcolor#ffffff
--c2-slider__thumb--borderborder2px solid #0265dc
--c2-slider__thumb--box-shadowbox-shadow0 1px 3px rgba(0, 0, 0, 0.15)
c2-slider > thumb > hover
--c2-slider__thumb__hover--box-shadowbox-shadow0 0 0 6px rgba(2, 101, 220, 0.12)Halo while hovering.
c2-slider > thumb > active
--c2-slider__thumb__active--box-shadowbox-shadow0 0 0 8px rgba(2, 101, 220, 0.18)Halo while dragging.
c2-slider > thumb > focus
--c2-slider__thumb__focus--outlineoutline2px solid rgba(2, 101, 220, 0.4)
--c2-slider__thumb__focus--outline-offsetpixel2px
c2-slider > tick
--c2-slider__tick--sizepixel2px
--c2-slider__tick--colorcolor#a1a1aaTicks on the unfilled part of the track.
c2-slider > tick > filled
--c2-slider__tick__filled--colorcolor#ffffffTicks on the filled part.
c2-slider > value
--c2-slider__value--backgroundbackground#18181bValue bubble above the thumb.
--c2-slider__value--colorcolor#fafafa
--c2-slider__value--font-sizefont-size12px
--c2-slider__value--font-weightfont-weight500
--c2-slider__value--border-radiusborder-radius6px
--c2-slider__value--paddingpadding4px 8px
--c2-slider__value--offsetpixel8pxGap between the thumb and the bubble.
--c2-slider__value--opacityopacity0Resting opacity of the bubble; it is fully visible while hovering, dragging or focused. 1 keeps it always on.
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