round-slider
A simple round slider webcomponent - demo

Properties
-
value
- Required for single slider
-
low
- Required for high/low slider
-
high
- Required for high/low slider
-
min
- Lower limit of values
-
max
- Higher limit of values
-
step
- Step size of slider
-
startAngle
- Angle in degrees at which slider bar starts (default: 135)
-
arcLength
- Length in degrees of slider bar (default: 270)
-
handleSize
- Radius of handle in pixels (default: 6)
-
handleZoom
- The factor the handle size scales when dragged (default: 1.5)
-
disabled
- Boolean property disabling the slider (default: false)
-
readonly
- Boolean property disabling slider events (default: false)
-
rtl
- Boolean property to have the slider move Right to Left (default: false)
-
valueLabel
- Value to apply to aria-label
property of value handle
-
lowLabel
- Value to apply to aria-label
property of low handle
-
highLabel
- Value to apply to aria-label
property of high handle
-
outside
- if true a high/low slider will fill up from the outsides in of inside out (default: false)
Events
The slider dispatches two events
value-changing
when the value is changed but the mouse button is still pressed
value-changed
on release of mouse button
Both events pass an object as detail
with either value
, low
, or high
set to the new value depending on which slider was pulled.
CSS styles
The following css variables can be used to change the styles:
--round-slider-path-color
- color of bar path
--round-slider-bar-color
- color of bar
--round-slider-handle-color
- color of handles
--round-slider-low-handle-color
- color of low handle (overrides --round-slider-handle-color
)
--round-slider-high-handle-color
- color of high handle (overrides --round-slider-handle-color
)
--round-slider-low-bar-color
- color of low bar when outside
is true (overrides --round-slider-bar-color
)
--round-slider-high-bar-color
- color of high bar when outside
is true (overrides --round-slider-bar-color
)
--round-slider-handle-cursor
- cursor to use on the handles (default pointer
)
--round-slider-path-width
- bar width in pixels (default: 3)
--round-slider-linecap
- svg linecaps of bar (default: round
)
Examples
See example.html for usage examples.
