API Reference > geometry-core > CartesianGeometry > Range2d > isNull isNull MethodStatic Test if the box has high strictly less than low for any of x,y, condition. Note that a range around a single point is NOT null. isNull(range: LowAndHighXY): boolean Parameter Type Description range LowAndHighXY Returns - boolean Defined in core/geometry/src/geometry3d/Range.ts Line 1312 Last Updated: 13 June, 2024