c2n/web-componentsv1.0.18
OverviewGetting startedComponentsIconsGuidesExamples
OverviewGetting startedComponentsIconsGuidesExamples
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Comparison Bar

Segmented ratio bar comparing two or three quantities, such as the bid/ask balance of an order book.

Attributes

NameTypeDefaultDescription
start-valuenumber0Amount of the start segment (bids, buyers, wins). Negative values count as 0.
middle-valuenumber | undefinedundefinedAmount of the optional middle segment (draws, abstentions). Leave unset for a two-segment bar.
end-valuenumber0Amount of the end segment (asks, sellers, losses). Negative values count as 0.
start-labelstring—Name of the start segment, announced before its share.
middle-labelstring—Name of the middle segment, announced before its share.
end-labelstring—Name of the end segment, announced before its share.
show-valuebooleanfalsePrint each segment's percentage. Always on for a segment whose slot has content.
precisionnumber2Fraction digits of the printed and announced percentages.
localestring | undefinedundefinedBCP 47 locale used to format the percentages; the document's locale when unset.

Slots

NameDescription
startReplaces the start segment's percentage text (e.g. "Buy 22%").
middleReplaces the middle segment's percentage text. Only rendered when middle-value is set.
endReplaces the end segment's percentage text.

CSS parts

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

NameDescription
start-valueText region at the start edge containing the custom start slot or the start percentage fallback.
middle-valueText region under the middle segment containing the custom middle slot or the middle percentage fallback.
end-valueText region at the end edge containing the custom end slot or the end percentage fallback.
trackRow holding the segments.
start-segmentSegment sized by start-value.
middle-segmentSegment sized by middle-value.
end-segmentSegment sized by end-value.

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-comparison-bar
--c2-comparison-bar--widthpixel100%Width of the whole component; the host is a block by default.
--c2-comparison-bar--heightpixel6pxThickness of the segments.
--c2-comparison-bar--gappixel12pxSpace between the edge percentages and the track.
--c2-comparison-bar--border-radiusborder-radius999pxRounding of the bar's two outer ends.
--c2-comparison-bar--transition-durationtime0.3sHow long a segment takes to resize when a value changes.
c2-comparison-bar > track
--c2-comparison-bar__track--gappixel0pxSpace between two segments; 0 makes them one continuous bar.
c2-comparison-bar > middle-value
--c2-comparison-bar__middle-value--margin-toppixel4pxSpace between the track and the middle percentage.
--c2-comparison-bar__middle-value--colorcolor#71717aColour of the middle percentage.
c2-comparison-bar > segment
--c2-comparison-bar__segment--border-radiusborder-radius0pxRounding of each segment's own ends; raise it with a track gap for separate pills.
c2-comparison-bar > start-segment
--c2-comparison-bar__start-segment--background-colorcolor#0265dcColour of the start segment.
c2-comparison-bar > middle-segment
--c2-comparison-bar__middle-segment--background-colorcolor#a1a1aaColour of the middle segment.
c2-comparison-bar > end-segment
--c2-comparison-bar__end-segment--background-colorcolor#dc2626Colour of the end segment.
c2-comparison-bar > start-value
--c2-comparison-bar__start-value--colorcolor#0265dcColour of the start percentage.
c2-comparison-bar > end-value
--c2-comparison-bar__end-value--colorcolor#dc2626Colour of the end percentage.
c2-comparison-bar > value
--c2-comparison-bar__value--font-sizefont-size14pxSize of the percentages.
--c2-comparison-bar__value--font-weightfont-weight500Weight of the percentages.
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