Function contain

src/scale/scaleMapper.ts:446–451

(val)

    },

    contain(val) {
        // This method is typically used in axis trigger and markers.
        // Users may be confused if the extent is restricted to `SCALE_EXTENT_KIND_EFFECTIVE`.
        const extent = getScaleExtentForMappingUnsafe(this, null);
        return val >= extent[0] && val <= extent[1];
    },

    getExtent() {
        return this._extents[SCALE_EXTENT_KIND_EFFECTIVE].slice();