| marks | Tick mark of Slider, type of key must be `number`, and must in closed interval \[min, max], each mark can declare its own style. | object | { number: string\|VNode } or { number: { style: object, label: string\|VNode } } or { number: () => VNode } | |
| step | The granularity the slider can step through values. Must greater than 0, and be divided by (max - min) . When `marks` no null, `step` can be `null`. | number\|null | 1 | |
| tipFormatter | Slider will pass its value to `tipFormatter`, and display its value in Tooltip, and hide Tooltip when return value is null. | Function\|null | IDENTITY | |
| tooltipOpen | If true, Tooltip will show always, or it will not show anyway, even if dragging or hovering. | Boolean | | 4.0 |
| getTooltipPopupContainer | The DOM container of the Tooltip, the default behavior is to create a div element in body. | Function | () => document.body | 1.5.0 |