new desc for `is*` (#23583)

docs/api/ar/animation/AnimationObjectGroup.html

@@ -43,7 +43,7 @@
 
 		<h3>[property:Boolean isAnimationObjectGroup]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/ar/cameras/ArrayCamera.html

@@ -38,7 +38,7 @@
 
 		<h3>[property:Boolean isArrayCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>الوظائف (Methods)</h2>

docs/api/ar/cameras/Camera.html

@@ -31,7 +31,7 @@
 
 		<h3>[property:Boolean isCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Layers layers]</h3>

docs/api/en/animation/AnimationObjectGroup.html

@@ -45,7 +45,7 @@
 
 		<h3>[property:Boolean isAnimationObjectGroup]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/cameras/ArrayCamera.html

@@ -38,7 +38,7 @@
 
 		<h3>[property:Boolean isArrayCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>Methods</h2>

docs/api/en/cameras/Camera.html

@@ -31,7 +31,7 @@
 
 		<h3>[property:Boolean isCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Layers layers]</h3>

docs/api/en/cameras/OrthographicCamera.html

@@ -76,7 +76,7 @@
 
 		<h3>[property:Boolean isOrthographicCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float left]</h3>

docs/api/en/cameras/PerspectiveCamera.html

@@ -82,7 +82,7 @@
 
 		<h3>[property:Boolean isPerspectiveCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/core/BufferAttribute.html

@@ -59,7 +59,7 @@
 
 		<h3>[property:Boolean isBufferAttribute]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Integer itemSize]</h3>

docs/api/en/core/BufferGeometry.html

@@ -131,7 +131,7 @@
 
 		<h3>[property:Boolean isBufferGeometry]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Object morphAttributes]</h3>

docs/api/en/core/InstancedBufferGeometry.html

@@ -30,7 +30,7 @@
 
 		<h3>[property:Boolean isInstancedBufferGeometry]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>Methods</h2>

docs/api/en/core/InterleavedBufferAttribute.html

@@ -41,7 +41,7 @@
 
 		<h3>[property:Boolean isInterleavedBufferAttribute]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Integer itemSize]</h3>

docs/api/en/core/Object3D.html

@@ -59,7 +59,7 @@
 
 		<h3>[property:Boolean isObject3D]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Layers layers]</h3>

docs/api/en/helpers/SkeletonHelper.html

@@ -49,7 +49,7 @@
 
 		<h3>[property:Boolean isSkeletonHelper]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Object3D root]</h3>

docs/api/en/lights/AmbientLight.html

@@ -46,7 +46,7 @@
 
 		<h3>[property:Boolean isAmbientLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/lights/AmbientLightProbe.html

@@ -33,7 +33,7 @@
 
 		<h3>[property:Boolean isAmbientLightProbe]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>Methods</h2>

docs/api/en/lights/DirectionalLight.html

@@ -76,7 +76,7 @@
 
 		<h3>[property:Boolean isDirectionalLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Vector3 position]</h3>

docs/api/en/lights/HemisphereLight.html

@@ -64,7 +64,7 @@
 
 		<h3>[property:Boolean isHemisphereLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Vector3 position]</h3>

docs/api/en/lights/HemisphereLightProbe.html

@@ -34,7 +34,7 @@
 
 		<h3>[property:Boolean isHemisphereLightProbe]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>Methods</h2>

docs/api/en/lights/Light.html

@@ -47,7 +47,7 @@
 
 		<h3>[property:Boolean isLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/lights/LightProbe.html

@@ -53,7 +53,7 @@
 
 		<h3>[property:Boolean isLightProbe]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:SphericalHarmonics3 sh]</h3>

docs/api/en/lights/RectAreaLight.html

@@ -79,7 +79,7 @@ rectLight.add( rectLightHelper );
 
 		<h3>[property:Boolean isRectAreaLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float power]</h3>

docs/api/en/lights/SpotLight.html

@@ -115,7 +115,7 @@
 
 		<h3>[property:Boolean isSpotLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float penumbra]</h3>

docs/api/en/lights/shadows/DirectionalLightShadow.html

@@ -82,6 +82,11 @@
 			clipping plane at 0.5 and the [page:OrthographicCamera.far far] clipping plane at 500.
 		</p>
 
+		<h3>[property:Boolean isDirectionalLightShadow]</h3>
+		<p>
+			Read-only flag to check if a given object is of type [name].
+		</p>
+
 
 		<h2>Methods</h2>
 		<p>

docs/api/en/lights/shadows/PointLightShadow.html

@@ -66,6 +66,11 @@
 			See the base [page:LightShadow LightShadow] class for common properties.
 		</p>
 
+		<h3>[property:Boolean isPointLightShadow]</h3>
+		<p>
+			Read-only flag to check if a given object is of type [name].
+		</p>
+
 		<h2>Methods</h2>
 
 		<p>

docs/api/en/lights/shadows/SpotLightShadow.html

@@ -81,6 +81,11 @@
 			Used to focus the shadow camera. The camera's field of view is set as a percentage of the spotlight's field-of-view. Range is [0, 1]. Default is 1.0.<br/>
 		</p>
 
+		<h3>[property:Boolean isSpotLightShadow]</h3>
+		<p>
+			Read-only flag to check if a given object is of type [name].
+		</p>
+
 		<h2>Methods</h2>
 		<p>See the base [page:LightShadow LightShadow] class for common methods.</p>
 

docs/api/en/loaders/ImageBitmapLoader.html

@@ -74,7 +74,7 @@
 
 		<h3>[property:Boolean isImageBitmapLoader]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:String options]</h3>

docs/api/en/materials/LineDashedMaterial.html

@@ -52,7 +52,7 @@
 
 		<h3>[property:Boolean isLineDashedMaterial]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/materials/Material.html

@@ -130,7 +130,7 @@
 
 		<h3>[property:Boolean isMaterial]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Boolean stencilWrite]</h3>

docs/api/en/materials/MeshStandardMaterial.html

@@ -179,7 +179,7 @@
 
 		<h3>[property:Boolean isMeshStandardMaterial]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Texture lightMap]</h3>

docs/api/en/materials/ShaderMaterial.html

@@ -353,7 +353,7 @@ this.extensions = {
 
 		<h3>[property:Boolean isShaderMaterial]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Boolean lights]</h3>

docs/api/en/materials/SpriteMaterial.html

@@ -64,7 +64,7 @@
 
 		<h3>[property:Boolean isSpriteMaterial]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Texture map]</h3>

docs/api/en/math/Box3.html

@@ -51,7 +51,7 @@
 
 		<h3>[property:Boolean isBox3]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Vector3 min]</h3>

docs/api/en/math/Color.html

@@ -76,7 +76,7 @@ const color7 = new THREE.Color( 1, 0, 0 );
 
 		<h3>[property:Boolean isColor]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float r]</h3>

docs/api/en/math/Euler.html

@@ -42,7 +42,7 @@
 
 		<h3>[property:Boolean isEuler]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:String order]</h3>

docs/api/en/math/Plane.html

@@ -29,7 +29,7 @@
 
 		<h3>[property:Boolean isPlane]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Vector3 normal]</h3>

docs/api/en/math/Quaternion.html

@@ -41,7 +41,7 @@
 
 		<h3>[property:Boolean isQuaternion]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float x]</h3>

docs/api/en/math/SphericalHarmonics3.html

@@ -24,7 +24,7 @@
 
 		<h3>[property:Boolean isSphericalHarmonics3]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>Methods</h2>

docs/api/en/math/Vector2.html

@@ -70,7 +70,7 @@
 
 		<h3>[property:Boolean isVector2]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float width]</h3>

docs/api/en/math/Vector3.html

@@ -68,7 +68,7 @@
 
 		<h3>[property:Boolean isVector3]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float x]</h3>

docs/api/en/math/Vector4.html

@@ -67,7 +67,7 @@
 
 		<h3>[property:Boolean isVector4]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float x]</h3>

docs/api/en/objects/Bone.html

@@ -38,7 +38,7 @@
 
 		<h3>[property:Boolean isBone]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/objects/Group.html

@@ -47,7 +47,7 @@
 
 		<h3>[property:Boolean isGroup]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:String type]</h3>

docs/api/en/objects/InstancedMesh.html

@@ -62,7 +62,7 @@
 
 		<h3>[property:Boolean isInstancedMesh]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>Methods</h2>

docs/api/en/objects/LOD.html

@@ -63,7 +63,7 @@
 
 		<h3>[property:Boolean isLOD]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Array levels]</h3>

docs/api/en/objects/Line.html

@@ -58,7 +58,7 @@
 
 		<h3>[property:Boolean isLine]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Material material]</h3>

docs/api/en/objects/LineLoop.html

@@ -35,7 +35,7 @@
 
 		<h3>[property:Boolean isLineLoop]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/objects/LineSegments.html

@@ -34,7 +34,7 @@
 
 		<h3>[property:Boolean isLineSegments]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/objects/Mesh.html

@@ -44,7 +44,7 @@
 
 		<h3>[property:Boolean isMesh]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Material material]</h3>

docs/api/en/objects/Points.html

@@ -37,7 +37,7 @@
 
 		<h3>[property:Boolean isPoints]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Material material]</h3>

docs/api/en/objects/SkinnedMesh.html

@@ -116,7 +116,7 @@
 
 		<h3>[property:Boolean isSkinnedMesh]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Skeleton skeleton]</h3>

docs/api/en/objects/Sprite.html

@@ -43,7 +43,7 @@
 
 		<h3>[property:Boolean isSprite]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/renderers/WebGL1Renderer.html

@@ -36,7 +36,7 @@
 
 		<h3>[property:Boolean isWebGL1Renderer]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/renderers/WebGLMultipleRenderTargets.html

@@ -45,7 +45,7 @@
 
 		<h3>[property:Boolean isWebGLMultipleRenderTargets]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Array texture]</h3>

docs/api/en/renderers/WebGLRenderTarget.html

@@ -50,7 +50,7 @@
 
 		<h3>[property:Boolean isWebGLRenderTarget]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:number width]</h3>

docs/api/en/scenes/Fog.html

@@ -22,7 +22,7 @@
 
 		<h3>[property:Boolean isFog]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:String name]</h3>

docs/api/en/scenes/FogExp2.html

@@ -22,7 +22,7 @@
 
 		<h3>[property:Boolean isFogExp2]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:String name]</h3>

docs/api/en/scenes/Scene.html

@@ -48,7 +48,7 @@
 
 		<h3>[property:Boolean isScene]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Material overrideMaterial]</h3>

docs/api/en/textures/CanvasTexture.html

@@ -58,7 +58,7 @@
 
 		<h3>[property:Boolean isCanvasTexture]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Boolean needsUpdate]</h3>

docs/api/en/textures/CompressedTexture.html

@@ -77,7 +77,7 @@
 
 		<h3>[property:Boolean isCompressedTexture]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/en/textures/CubeTexture.html

@@ -53,7 +53,7 @@
 
 		<h3>[property:Boolean isCubeTexture]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>Methods</h2>

docs/api/en/textures/DataTexture.html

@@ -87,7 +87,7 @@
 
 		<h3>[property:Boolean isDataTexture]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:number unpackAlignment]</h3>

docs/api/en/textures/DepthTexture.html

@@ -102,7 +102,7 @@
 
 		<h3>[property:Boolean isDepthTexture]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>Methods</h2>

docs/api/en/textures/FramebufferTexture.html

@@ -33,7 +33,7 @@
 
 		<h3>[property:Boolean isFramebufferTexture]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Boolean needsUpdate]</h3>

docs/api/en/textures/Texture.html

@@ -40,7 +40,7 @@
 
 		<h3>[property:Boolean isTexture]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:String uuid]</h3>

docs/api/en/textures/VideoTexture.html

@@ -74,7 +74,7 @@
 
 		<h3>[property:Boolean isVideoTexture]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Boolean needsUpdate]</h3>

docs/api/ko/animation/AnimationObjectGroup.html

@@ -46,7 +46,7 @@
 
 		<h3>[property:Boolean isAnimationObjectGroup]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/ko/cameras/ArrayCamera.html

@@ -39,7 +39,7 @@
 
 		<h3>[property:Boolean isArrayCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>메서드</h2>

docs/api/ko/cameras/Camera.html

@@ -31,7 +31,7 @@
 
 		<h3>[property:Boolean isCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Layers layers]</h3>

docs/api/ko/cameras/OrthographicCamera.html

@@ -74,7 +74,7 @@
 
 		<h3>[property:Boolean isOrthographicCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float left]</h3>

docs/api/ko/cameras/PerspectiveCamera.html

@@ -82,7 +82,7 @@
 
 		<h3>[property:Boolean isPerspectiveCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/ko/core/BufferAttribute.html

@@ -55,7 +55,7 @@
 
 		<h3>[property:Boolean isBufferAttribute]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Integer itemSize]</h3>

docs/api/ko/core/BufferGeometry.html

@@ -129,7 +129,7 @@
 
 		<h3>[property:Boolean isBufferGeometry]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Object morphAttributes]</h3>

docs/api/ko/core/InstancedBufferGeometry.html

@@ -30,7 +30,7 @@
 
 		<h3>[property:Boolean isInstancedBufferGeometry]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>메서드</h2>

docs/api/ko/core/InterleavedBufferAttribute.html

@@ -41,7 +41,7 @@
 
 		<h3>[property:Boolean isInterleavedBufferAttribute]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Integer itemSize]</h3>

docs/api/ko/core/Object3D.html

@@ -60,7 +60,7 @@
 
 		<h3>[property:Boolean isObject3D]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Layers layers]</h3>

docs/api/zh/animation/AnimationObjectGroup.html

@@ -43,7 +43,7 @@
 
 		<h3>[property:Boolean isAnimationObjectGroup]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/zh/cameras/ArrayCamera.html

@@ -39,7 +39,7 @@
 
 		<h3>[property:Boolean isArrayCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>方法</h2>

docs/api/zh/cameras/Camera.html

@@ -34,7 +34,7 @@
 
 		<h3>[property:Boolean isCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Layers layers]</h3>

docs/api/zh/cameras/OrthographicCamera.html

@@ -79,7 +79,7 @@
 
 		<h3>[property:Boolean isOrthographicCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float left]</h3>

docs/api/zh/cameras/PerspectiveCamera.html

@@ -82,7 +82,7 @@
 
 		<h3>[property:Boolean isPerspectiveCamera]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/zh/core/BufferAttribute.html

@@ -53,7 +53,7 @@
 
 		<h3>[property:Boolean isBufferAttribute]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Integer itemSize]</h3>

docs/api/zh/core/BufferGeometry.html

@@ -125,7 +125,7 @@
 
 		<h3>[property:Boolean isBufferGeometry]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Object morphAttributes]</h3>

docs/api/zh/core/InstancedBufferGeometry.html

@@ -30,7 +30,7 @@
 
 		<h3>[property:Boolean isInstancedBufferGeometry]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>方法</h2>

docs/api/zh/core/InterleavedBufferAttribute.html

@@ -40,7 +40,7 @@
 
 		<h3>[property:Boolean isInterleavedBufferAttribute]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Integer itemSize]</h3>

docs/api/zh/core/Object3D.html

@@ -57,7 +57,7 @@
 
 		<h3>[property:Boolean isObject3D]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 	<h3>[property:Layers layers]</h3>

docs/api/zh/helpers/SkeletonHelper.html

@@ -50,7 +50,7 @@
 
 		<h3>[property:Boolean isSkeletonHelper]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Object3D root]</h3>

docs/api/zh/lights/AmbientLight.html

@@ -51,7 +51,7 @@
 
 		<h3>[property:Boolean isAmbientLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/zh/lights/AmbientLightProbe.html

@@ -33,7 +33,7 @@
 
 		<h3>[property:Boolean isAmbientLightProbe]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>方法</h2>

docs/api/zh/lights/DirectionalLight.html

@@ -71,7 +71,7 @@
 
 		<h3>[property:Boolean isDirectionalLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/zh/lights/HemisphereLight.html

@@ -70,7 +70,7 @@
 
 		<h3>[property:Boolean isHemisphereLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Vector3 position]</h3>

docs/api/zh/lights/HemisphereLightProbe.html

@@ -34,7 +34,7 @@
 
 		<h3>[property:Boolean isHemisphereLightProbe]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>方法</h2>

docs/api/zh/lights/Light.html

@@ -48,7 +48,7 @@
 
 		<h3>[property:Boolean isLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 

docs/api/zh/lights/LightProbe.html

@@ -53,7 +53,7 @@
 
 		<h3>[property:Boolean isLightProbe]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:SphericalHarmonics3 sh]</h3>

docs/api/zh/lights/RectAreaLight.html

@@ -63,7 +63,7 @@
 
 		<h3>[property:Boolean isRectAreaLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h2>方法（Methods）</h2>

docs/api/zh/lights/SpotLight.html

@@ -90,7 +90,7 @@
 
 		<h3>[property:Boolean isSpotLight]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>
 
 		<h3>[property:Float penumbra]</h3>

docs/api/zh/lights/shadows/DirectionalLightShadow.html

@@ -73,6 +73,11 @@
 			在光的世界里。这用于生成场景的深度图;从光的角度来看，其他物体背后的物体将处于阴影中。<br /><br />
 		</p>
 
+		<h3>[property:Boolean isDirectionalLightShadow]</h3>
+		<p>
+			Read-only flag to check if a given object is of type [name].
+		</p>
+
 		<h2>方法</h2>
 		<p>
 			有关常用方法，请参阅基础[page:LightShadow LightShadow]类。

docs/api/zh/lights/shadows/PointLightShadow.html

@@ -66,6 +66,11 @@
 			共有属性请参见其基类[page:LightShadow LightShadow]。
 		</p>
 
+		<h3>[property:Boolean isPointLightShadow]</h3>
+		<p>
+			Read-only flag to check if a given object is of type [name].
+		</p>
+
 		<h2>方法</h2>
 
 		<p>

docs/api/zh/lights/shadows/SpotLightShadow.html

@@ -73,6 +73,11 @@
 			Used to focus the shadow camera. The camera's field of view is set as a percentage of the spotlight's field-of-view. Range is [0, 1]. Default is 1.0.<br/>
 		</p>
 
+		<h3>[property:Boolean isSpotLightShadow]</h3>
+		<p>
+			Read-only flag to check if a given object is of type [name].
+		</p>
+
 		<h2>方法</h2>
 		<p>有关常用方法，请参阅基础LightShadow类。</p>
 

docs/api/zh/loaders/ImageBitmapLoader.html

@@ -71,7 +71,7 @@
 
 		<h3>[property:Boolean isImageBitmapLoader]</h3>
 		<p>
-			Read-only flag to check whether a given object is of type [name].
+			Read-only flag to check if a given object is of type [name].
 		</p>