+ prop `is*` (#23565)

docs/api/ar/animation/AnimationObjectGroup.html

@@ -41,6 +41,11 @@
 
 		<h2>الخصائص (Properties)</h2>
 
+		<h3>[property:Boolean isAnimationObjectGroup]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:Object stats]</h3>
 		<p>

docs/api/ar/cameras/ArrayCamera.html

@@ -36,6 +36,11 @@
 			مجموعة من الكاميرات.
 		</p>
 
+		<h3>[property:Boolean isArrayCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>الوظائف (Methods)</h2>
 		<p>راجع الفئة الأساسية [page:PerspectiveCamera]  للتعرف على الطرق الشائعة.</p>
 

docs/api/ar/cameras/Camera.html

@@ -29,6 +29,11 @@
 		<h2>الخصائص (Properties)</h2>
 		<p>راجع الفئة [page:Object3D] الأساسية للممتلكات العامة.</p>
 
+		<h3>[property:Boolean isCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Layers layers]</h3>
 		<p>
 		ال [page:Layers layers] التي تعد الكاميرا عضو فيها. هذه ملكية موروثة من [page:Object3D].<br /><br />

docs/api/en/animation/AnimationObjectGroup.html

@@ -43,6 +43,11 @@
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isAnimationObjectGroup]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:Object stats]</h3>
 		<p>

docs/api/en/cameras/ArrayCamera.html

@@ -36,6 +36,11 @@
 			An array of cameras.
 		</p>
 
+		<h3>[property:Boolean isArrayCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>Methods</h2>
 		<p>See the base [page:PerspectiveCamera] class for common methods.</p>
 

docs/api/en/cameras/Camera.html

@@ -29,6 +29,11 @@
 		<h2>Properties</h2>
 		<p>See the base [page:Object3D] class for common properties.</p>
 
+		<h3>[property:Boolean isCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Layers layers]</h3>
 		<p>
 		The [page:Layers layers] that the camera is a member of. This is an inherited

docs/api/en/cameras/OrthographicCamera.html

@@ -74,6 +74,11 @@
 		Must be greater than the current value of [page:.near near] plane.
 		</p>
 
+		<h3>[property:Boolean isOrthographicCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float left]</h3>
 		<p>Camera frustum left plane.</p>
 

docs/api/en/cameras/PerspectiveCamera.html

@@ -80,6 +80,11 @@
 		<h3>[property:Float fov]</h3>
 		<p>Camera frustum vertical field of view, from bottom to top of view, in degrees. Default is *50*.</p>
 
+		<h3>[property:Boolean isPerspectiveCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:Float near]</h3>
 		<p>

docs/api/en/core/BufferAttribute.html

@@ -57,6 +57,11 @@
 		then this will count the number of such vectors stored.
 		</p>
 
+		<h3>[property:Boolean isBufferAttribute]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Integer itemSize]</h3>
 		<p>The length of vectors that are being stored in the [page:BufferAttribute.array array].</p>
 

docs/api/en/core/BufferGeometry.html

@@ -129,6 +129,11 @@
 			Default is *null*.
 		</p>
 
+		<h3>[property:Boolean isBufferGeometry]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Object morphAttributes]</h3>
 		<p>
 			Hashmap of [page:BufferAttribute]s holding details of the geometry's morph targets.

docs/api/en/core/InstancedBufferGeometry.html

@@ -28,6 +28,11 @@
 			Default is *Infinity*.
 		</p>
 
+		<h3>[property:Boolean isInstancedBufferGeometry]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>Methods</h2>
 		<p>See [page:BufferGeometry] for inherited methods.</p>
 

docs/api/en/core/InterleavedBufferAttribute.html

@@ -39,6 +39,11 @@
 			then this will count the number of such items stored.
 		</p>
 
+		<h3>[property:Boolean isInterleavedBufferAttribute]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Integer itemSize]</h3>
 		<p>
 			How many values make up each item.

docs/api/en/core/Object3D.html

@@ -57,6 +57,11 @@
 		<h3>[property:Integer id]</h3>
 		<p>readonly – Unique number for this object instance.</p>
 
+		<h3>[property:Boolean isObject3D]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Layers layers]</h3>
 		<p>
 		The layer membership of the object. The object is only visible if it has at least one

docs/api/en/helpers/SkeletonHelper.html

@@ -47,6 +47,11 @@
 		The list of bones that the helper renders as [page:Line Lines].
 		</p>
 
+		<h3>[property:Boolean isSkeletonHelper]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Object3D root]</h3>
 		<p>
 		The object passed in the constructor.

docs/api/en/lights/AmbientLight.html

@@ -44,6 +44,11 @@
 				See the base [page:Light Light] class for common properties.
 		</p>
 
+		<h3>[property:Boolean isAmbientLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h2>Methods</h2>
 		<p>

docs/api/en/lights/AmbientLightProbe.html

@@ -31,6 +31,11 @@
 				See the base [page:LightProbe LightProbe] class for common properties.
 		</p>
 
+		<h3>[property:Boolean isAmbientLightProbe]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>Methods</h2>
 		<p>
 				See the base [page:LightProbe LightProbe] class for common methods.

docs/api/en/lights/DirectionalLight.html

@@ -74,6 +74,11 @@
 			The default is *false*.
 		</p>
 
+		<h3>[property:Boolean isDirectionalLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Vector3 position]</h3>
 		<p>
 			This is set equal to [page:Object3D.DefaultUp] (0, 1, 0), so that the light shines from the top down.

docs/api/en/lights/HemisphereLight.html

@@ -62,6 +62,11 @@
 			Default is a new [page:Color] set to white (0xffffff).
 		</p>
 
+		<h3>[property:Boolean isHemisphereLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Vector3 position]</h3>
 		<p>
 			This is set equal to [page:Object3D.DefaultUp] (0, 1, 0), so that the light shines from the top down.

docs/api/en/lights/HemisphereLightProbe.html

@@ -32,6 +32,11 @@
 				See the base [page:LightProbe LightProbe] class for common properties.
 		</p>
 
+		<h3>[property:Boolean isHemisphereLightProbe]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>Methods</h2>
 		<p>
 				See the base [page:LightProbe LightProbe] class for common methods.

docs/api/en/lights/Light.html

@@ -45,6 +45,11 @@
 			Default - *1.0*.
 		</p>
 
+		<h3>[property:Boolean isLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h2>Methods</h2>
 		<p>

docs/api/en/lights/LightProbe.html

@@ -51,6 +51,11 @@
 				not evaluated and thus has no effect.
 		</p>
 
+		<h3>[property:Boolean isLightProbe]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:SphericalHarmonics3 sh]</h3>
 		<p>
 			A light probe uses spherical harmonics to encode lighting information.

docs/api/en/lights/RectAreaLight.html

@@ -77,6 +77,11 @@ rectLight.add( rectLightHelper );
 
 		</p>
 
+		<h3>[property:Boolean isRectAreaLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float power]</h3>
 		<p>
 			The light's power.<br />

docs/api/en/lights/SpotLight.html

@@ -113,6 +113,11 @@
 
 		</p>
 
+		<h3>[property:Boolean isSpotLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float penumbra]</h3>
 		<p>
 			Percent of the spotlight cone that is attenuated due to penumbra. Takes values between

docs/api/en/loaders/ImageBitmapLoader.html

@@ -72,6 +72,11 @@
 		<h2>Properties</h2>
 		<p>See the base [page:Loader] class for common properties.</p>
 
+		<h3>[property:Boolean isImageBitmapLoader]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:String options]</h3>
 		<p>An optional object that sets options for the internally used [link:https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/createImageBitmap createImageBitmap] factory method. Default is *undefined*.</p>
 

docs/api/en/materials/LineDashedMaterial.html

@@ -50,6 +50,11 @@
 		<h3>[property:number gapSize]</h3>
 		<p>The size of the gap. Default is *1*.</p>
 
+		<h3>[property:Boolean isLineDashedMaterial]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:number scale]</h3>
 		<p>The scale of the dashed part of a line. Default is *1*.</p>

docs/api/en/materials/Material.html

@@ -128,6 +128,11 @@
 		When drawing 2D overlays it can be useful to disable the depth writing in order to layer several things together without creating z-index artifacts.
 		</p>
 
+		<h3>[property:Boolean isMaterial]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Boolean stencilWrite]</h3>
 		<p>
 		Whether stencil operations are performed against the stencil buffer. In order to perform writes or comparisons against the stencil buffer this value must be *true*. Default is *false*.

docs/api/en/materials/MeshStandardMaterial.html

@@ -177,6 +177,11 @@
 		Define whether the material is rendered with flat shading. Default is false.
 		</p>
 
+		<h3>[property:Boolean isMeshStandardMaterial]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Texture lightMap]</h3>
 		<p>The light map. Default is null. The lightMap requires a second set of UVs.</p>
 

docs/api/en/materials/ShaderMaterial.html

@@ -351,6 +351,11 @@ this.extensions = {
 
 		</p>
 
+		<h3>[property:Boolean isShaderMaterial]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Boolean lights]</h3>
 		<p>
 		Defines whether this material uses lighting; true to pass uniform data related to lighting to this shader. Default is false.

docs/api/en/materials/SpriteMaterial.html

@@ -62,6 +62,11 @@
 		<h3>[property:Color color]</h3>
 		<p>[page:Color] of the material, by default set to white (0xffffff). The [page:.map] is multiplied by the color.</p>
 
+		<h3>[property:Boolean isSpriteMaterial]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Texture map]</h3>
 		<p>The texture map. Default is null.</p>
 

docs/api/en/math/Box3.html

@@ -49,6 +49,11 @@
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isBox3]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Vector3 min]</h3>
 		<p>
 			[page:Vector3] representing the lower (x, y, z) boundary of the box.<br />

docs/api/en/math/Color.html

@@ -74,6 +74,11 @@ const color7 = new THREE.Color( 1, 0, 0 );
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isColor]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float r]</h3>
 		<p>
 		Red channel value between 0 and 1. Default is 1.

docs/api/en/math/Euler.html

@@ -40,6 +40,11 @@
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isEuler]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:String order]</h3>
 		<p>
 			The order in which to apply rotations. Default is 'XYZ', which means that the object will first be

docs/api/en/math/Plane.html

@@ -27,6 +27,11 @@
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isPlane]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Vector3 normal]</h3>
 
 		<h3>[property:Float constant]</h3>

docs/api/en/math/Quaternion.html

@@ -39,6 +39,11 @@
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isQuaternion]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float x]</h3>
 
 		<h3>[property:Float y]</h3>

docs/api/en/math/SphericalHarmonics3.html

@@ -22,6 +22,11 @@
 		<h3>[property:Array coefficients]</h3>
 		<p>An array holding the (9) SH coefficients. A single coefficient is represented as an instance of [page:Vector3].</p>
 
+		<h3>[property:Boolean isSphericalHarmonics3]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>Methods</h2>
 
 		<h3>[method:this add]( [param:SphericalHarmonics3 sh] )</h3>

docs/api/en/math/Vector2.html

@@ -68,6 +68,11 @@
 		<h3>[property:Float height]</h3>
 		<p>Alias for [page:.y y].</p>
 
+		<h3>[property:Boolean isVector2]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float width]</h3>
 		<p>Alias for [page:.x x].</p>
 

docs/api/en/math/Vector3.html

@@ -66,6 +66,11 @@
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isVector3]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float x]</h3>
 
 		<h3>[property:Float y]</h3>

docs/api/en/math/Vector4.html

@@ -65,6 +65,11 @@
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isVector4]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float x]</h3>
 
 		<h3>[property:Float y]</h3>

docs/api/en/objects/Bone.html

@@ -36,6 +36,11 @@
 		<h2>Properties</h2>
 		<p>See the base [page:Object3D] class for common properties.</p>
 
+		<h3>[property:Boolean isBone]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:String type]</h3>
 		<p>Set to 'Bone', this can be used to find all Bones in a scene.</p>

docs/api/en/objects/Group.html

@@ -45,6 +45,11 @@
 		<h2>Properties</h2>
 		<p>See the base [page:Object3D] class for common properties.</p>
 
+		<h3>[property:Boolean isGroup]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:String type]</h3>
 		<p>A string 'Group'. This should not be changed.</p>
 

docs/api/en/objects/InstancedMesh.html

@@ -60,6 +60,11 @@
 			You have to set its [page:BufferAttribute.needsUpdate needsUpdate] flag to true if you modify instanced data via [page:.setMatrixAt]().
 		</p>
 
+		<h3>[property:Boolean isInstancedMesh]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>Methods</h2>
 		<p>See the base [page:Mesh] class for common methods.</p>
 

docs/api/en/objects/LOD.html

@@ -61,6 +61,11 @@
 		Default is true.
 		</p>
 
+		<h3>[property:Boolean isLOD]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Array levels]</h3>
 		<p>
 		An array of [page:Object level] objects<br /><br />

docs/api/en/objects/Line.html

@@ -56,6 +56,11 @@
 		<h3>[property:BufferGeometry geometry]</h3>
 		<p>Vertices representing the line segment(s).</p>
 
+		<h3>[property:Boolean isLine]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Material material]</h3>
 		<p>Material for the line.</p>
 

docs/api/en/objects/LineLoop.html

@@ -33,6 +33,11 @@
 		<h2>Properties</h2>
 		<p>See the base [page:Line] class for common properties.</p>
 
+		<h3>[property:Boolean isLineLoop]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h2>Methods</h2>
 		<p>See the base [page:Line] class for common methods.</p>

docs/api/en/objects/LineSegments.html

@@ -32,6 +32,11 @@
 		<h2>Properties</h2>
 		<p>See the base [page:Line] class for common properties.</p>
 
+		<h3>[property:Boolean isLineSegments]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h2>Methods</h2>
 		<p>See the base [page:Line] class for common methods.</p>

docs/api/en/objects/Mesh.html

@@ -42,6 +42,11 @@
 			An instance of [page:BufferGeometry] (or derived classes), defining the object's structure.
 		</p>
 
+		<h3>[property:Boolean isMesh]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Material material]</h3>
 		<p>
 			An instance of material derived from the [page:Material] base class or an array of materials, defining the

docs/api/en/objects/Points.html

@@ -35,6 +35,11 @@
 			An instance of [page:BufferGeometry] (or derived classes), defining the object's structure.
 		</p>
 
+		<h3>[property:Boolean isPoints]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Material material]</h3>
 		<p>
 			An instance of [page:Material], defining the object's appearance.

docs/api/en/objects/SkinnedMesh.html

@@ -114,6 +114,11 @@
 		The base matrix that is used for resetting the bound bone transforms.
 		</p>
 
+		<h3>[property:Boolean isSkinnedMesh]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Skeleton skeleton]</h3>
 		<p>
 		[page:Skeleton] representing the bone hierarchy of the skinned mesh.

docs/api/en/objects/Sprite.html

@@ -41,6 +41,11 @@
 		<h2>Properties</h2>
 		<p>See the base [page:Object3D] class for common properties.</p>
 
+		<h3>[property:Boolean isSprite]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:SpriteMaterial material]</h3>
 		<p>

docs/api/en/renderers/WebGL1Renderer.html

@@ -34,6 +34,11 @@
 		<h2>Properties</h2>
 		<p>See the base [page:WebGLRenderer] class for common properties.</p>
 
+		<h3>[property:Boolean isWebGL1Renderer]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h2>Methods</h2>
 		<p>See the base [page:WebGLRenderer] class for common methods.</p>

docs/api/en/renderers/WebGLMultipleRenderTargets.html

@@ -43,6 +43,11 @@
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isWebGLMultipleRenderTargets]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Array texture]</h3>
 		<p>
 		The texture property is overwritten in [name] and replaced with an array. This array holds the [page:WebGLRenderTarget.texture texture]

docs/api/en/renderers/WebGLRenderTarget.html

@@ -48,6 +48,11 @@
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isWebGLRenderTarget]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:number width]</h3>
 		<p>
 		The width of the render target.

docs/api/en/scenes/Fog.html

@@ -20,6 +20,11 @@
 
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isFog]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:String name]</h3>
 		<p>Optional name of the object (doesn't need to be unique). Default is an empty string.</p>
 

docs/api/en/scenes/FogExp2.html

@@ -20,6 +20,11 @@
 		<p>The color parameter is passed to the [page:Color] constructor to set the color property. Color can be a hexadecimal integer or a CSS-style string.</p>
 		<h2>Properties</h2>
 
+		<h3>[property:Boolean isFogExp2]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:String name]</h3>
 		<p>Optional name of the object (doesn't need to be unique). Default is an empty string.</p>
 

docs/api/en/scenes/Scene.html

@@ -46,6 +46,11 @@
 
 		<p>A [page:Fog fog] instance defining the type of fog that affects everything rendered in the scene. Default is null.</p>
 
+		<h3>[property:Boolean isScene]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Material overrideMaterial]</h3>
 
 		<p>If not null, it will force everything in the scene to be rendered with that material. Default is null.</p>

docs/api/en/textures/CanvasTexture.html

@@ -56,6 +56,11 @@
     See the base [page:Texture Texture] class for common properties.
     </p>
 
+		<h3>[property:Boolean isCanvasTexture]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Boolean needsUpdate]</h3>
 
 		<p>

docs/api/en/textures/CompressedTexture.html

@@ -75,6 +75,11 @@
 			False by default. Mipmaps can't be generated for compressed textures
 		</p>
 
+		<h3>[property:Boolean isCompressedTexture]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h2>Methods</h2>
 

docs/api/en/textures/CubeTexture.html

@@ -51,6 +51,11 @@
 		If set to *true*, the texture is flipped along the vertical axis when uploaded to the GPU. Default is *false*.
 		</p>
 
+		<h3>[property:Boolean isCubeTexture]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>Methods</h2>
 
 		<p>

docs/api/en/textures/DataTexture.html

@@ -85,6 +85,11 @@
 		Overridden with a record type holding data, width and height.
 		</p>
 
+		<h3>[property:Boolean isDataTexture]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:number unpackAlignment]</h3>
 		<p>
 		1 by default. Specifies the alignment requirements for the start of each pixel row in memory.

docs/api/en/textures/DepthTexture.html

@@ -100,6 +100,11 @@
 		Depth textures do not use mipmaps.
 		</p>
 
+		<h3>[property:Boolean isDepthTexture]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>Methods</h2>
 
 		<p>

docs/api/en/textures/FramebufferTexture.html

@@ -31,6 +31,11 @@
 
 		<p>See the base [page:Texture Texture] class for common properties.</p>
 
+		<h3>[property:Boolean isFramebufferTexture]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Boolean needsUpdate]</h3>
 
 		<p>

docs/api/en/textures/Texture.html

@@ -38,6 +38,11 @@
 		Readonly - unique number for this texture instance.
 		</p>
 
+		<h3>[property:Boolean isTexture]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:String uuid]</h3>
 		<p>
 		[link:http://en.wikipedia.org/wiki/Universally_unique_identifier UUID] of this object instance.

docs/api/en/textures/VideoTexture.html

@@ -72,6 +72,11 @@
 		Whether to generate mipmaps. False by default.
 		</p>
 
+		<h3>[property:Boolean isVideoTexture]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Boolean needsUpdate]</h3>
 		<p>
 		You will not need to set this manually here as it is handled by the [page:VideoTexture.update update] method.

docs/api/ko/animation/AnimationObjectGroup.html

@@ -44,6 +44,11 @@
 
 		<h2>프로퍼티</h2>
 
+		<h3>[property:Boolean isAnimationObjectGroup]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:Object stats]</h3>
 		<p>

docs/api/ko/cameras/ArrayCamera.html

@@ -37,6 +37,11 @@
 			카메라 배열.
 		</p>
 
+		<h3>[property:Boolean isArrayCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>메서드</h2>
 		<p>일반 메서드는 기본 [page:PerspectiveCamera]를 참고하세요.</p>
 

docs/api/ko/cameras/Camera.html

@@ -29,6 +29,11 @@
 		<h2>프로퍼티</h2>
 		<p>일반 프로퍼티는 기본 [page:Object3D] 클래스를 참고하세요.</p>
 
+		<h3>[property:Boolean isCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Layers layers]</h3>
 		<p>
 		카메라가 속해있는 [page:Layers layers]. 이는 [page:Object3D]에서 상속된 것입니다.<br /><br />

docs/api/ko/cameras/OrthographicCamera.html

@@ -72,6 +72,11 @@
 		[page:.near near](근평면)의 현재 값보다 항상 더 커야합니다.
 		</p>
 
+		<h3>[property:Boolean isOrthographicCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float left]</h3>
 		<p>카메라 절두체 좌평면.</p>
 

docs/api/ko/cameras/PerspectiveCamera.html

@@ -80,6 +80,11 @@
 		<h3>[property:Float fov]</h3>
 		<p>카메라 아래부터 위까지, 도 단위로 표시되는 수직 시야입니다. 기본값은 *50*입니다.</p>
 
+		<h3>[property:Boolean isPerspectiveCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:Float near]</h3>
 		<p>

docs/api/ko/core/BufferAttribute.html

@@ -53,6 +53,11 @@
 		저장된 벡터들의 수를 계산합니다.
 		</p>
 
+		<h3>[property:Boolean isBufferAttribute]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Integer itemSize]</h3>
 		<p>[page:BufferAttribute.array array]에 저장되는 벡터의 길이.</p>
 

docs/api/ko/core/BufferGeometry.html

@@ -127,6 +127,11 @@
 			기본값은 *null* 입니다.
 		</p>
 
+		<h3>[property:Boolean isBufferGeometry]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Object morphAttributes]</h3>
 		<p>
 			[page:BufferAttribute]의 해쉬맵은 기하학의 모프 타겟에 대한 세부정보를 담고 있습니다.

docs/api/ko/core/InstancedBufferGeometry.html

@@ -28,6 +28,11 @@
 			기본값은 *Infinity*입니다.
 		</p>
 
+		<h3>[property:Boolean isInstancedBufferGeometry]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>메서드</h2>
 		<p>상속 메서드는 [page:BufferGeometry] 를 참고하세요.</p>
 

docs/api/ko/core/InterleavedBufferAttribute.html

@@ -39,6 +39,11 @@
 			저장된 항목들의 수를 카운팅합니다.
 		</p>
 
+		<h3>[property:Boolean isInterleavedBufferAttribute]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Integer itemSize]</h3>
 		<p>
 			각 항목을 구성하는 값의 수입니다.

docs/api/ko/core/Object3D.html

@@ -58,6 +58,11 @@
 		<h3>[property:Integer id]</h3>
 		<p>읽기전용 – 이 객체 인스턴스의 고유 번호입니다.</p>
 
+		<h3>[property:Boolean isObject3D]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Layers layers]</h3>
 		<p>
 		객체의 레이어 멤버 속성입니다. 객체는 사용중인 [page:Camera] 에 공통적으로 최소 한 개의 레이어가 있을 때만 볼 수 있습니다.

docs/api/zh/animation/AnimationObjectGroup.html

@@ -41,6 +41,11 @@
 
 		<h2>属性</h2>
 
+		<h3>[property:Boolean isAnimationObjectGroup]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:Object stats]</h3>
 		<p>

docs/api/zh/cameras/ArrayCamera.html

@@ -37,6 +37,11 @@
 			摄像机数组。
 		</p>
 
+		<h3>[property:Boolean isArrayCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>方法</h2>
 		<p>共有方法请参见其基类[page:PerspectiveCamera]。</p>
 

docs/api/zh/cameras/Camera.html

@@ -32,6 +32,11 @@
 
 		<p>共有属性请参见其基类[page:Object3D]</p>
 
+		<h3>[property:Boolean isCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Layers layers]</h3>
 		<p>
 

docs/api/zh/cameras/OrthographicCamera.html

@@ -77,6 +77,11 @@
 
 		</p>
 
+		<h3>[property:Boolean isOrthographicCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float left]</h3>
 		<p>摄像机视锥体左侧面。</p>
 

docs/api/zh/cameras/PerspectiveCamera.html

@@ -80,6 +80,11 @@
 		<h3>[property:Float fov]</h3>
 		<p>摄像机视锥体垂直视野角度，从视图的底部到顶部，以角度来表示。默认值是*50*。</p>
 
+		<h3>[property:Boolean isPerspectiveCamera]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:Float near]</h3>
 		<p>

docs/api/zh/core/BufferAttribute.html

@@ -51,6 +51,11 @@
 			若缓存存储三元组（例如顶点位置、法向量、颜色值），则该值应等于队列中三元组的个数。
 		</p>
 
+		<h3>[property:Boolean isBufferAttribute]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Integer itemSize]</h3>
 		<p>保存在 [page:BufferAttribute.array array] 中矢量的长度。</p>
 

docs/api/zh/core/BufferGeometry.html

@@ -123,6 +123,11 @@
 			默认值是 *null*。
 		</p>
 
+		<h3>[property:Boolean isBufferGeometry]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Object morphAttributes]</h3>
 		<p>
 			存储 [page:BufferAttribute] 的 Hashmap，存储了几何体 morph targets 的细节信息。

docs/api/zh/core/InstancedBufferGeometry.html

@@ -28,6 +28,11 @@
 			默认值是 *Infinity*。
 		</p>
 
+		<h3>[property:Boolean isInstancedBufferGeometry]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>方法</h2>
 		<p>继承方法详见 [page:BufferGeometry]。</p>
 

docs/api/zh/core/InterleavedBufferAttribute.html

@@ -38,6 +38,11 @@
 			所缓存的矢量的个数。如果缓存的矢量是一个三元组（例如，位置、法向量或颜色），则该值计算上述三元组的个数。
 		</p>
 
+		<h3>[property:Boolean isInterleavedBufferAttribute]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Integer itemSize]</h3>
 		<p>
 			队列中每个矢量有多少个元素构成。

docs/api/zh/core/Object3D.html

@@ -55,6 +55,11 @@
 	<h3>[property:Integer id]</h3>
 	<p>只读 —— 表示该对象实例ID的唯一数字。</p>
 
+		<h3>[property:Boolean isObject3D]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 	<h3>[property:Layers layers]</h3>
 	<p>
 		物体的层级关系。

docs/api/zh/helpers/SkeletonHelper.html

@@ -48,6 +48,11 @@
 		辅助对象使用 [page:Line Lines] 渲染的骨数组.
 		</p>
 
+		<h3>[property:Boolean isSkeletonHelper]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Object3D root]</h3>
 		<p>
 		构造函数传入的对象.

docs/api/zh/lights/AmbientLight.html

@@ -49,6 +49,11 @@
 			这个参数在对象构造的时候就被设置成了 *undefined* 。因为环境光不能投射阴影。
 		</p>
 
+		<h3>[property:Boolean isAmbientLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 
 		<h2>方法</h2>

docs/api/zh/lights/AmbientLightProbe.html

@@ -31,6 +31,11 @@
 				See the base [page:LightProbe LightProbe] class for common properties.
 		</p>
 
+		<h3>[property:Boolean isAmbientLightProbe]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>方法</h2>
 		<p>
 				See the base [page:LightProbe LightProbe] class for common methods.

docs/api/zh/lights/DirectionalLight.html

@@ -69,6 +69,11 @@
 			查看 [page:DirectionalLightShadow] 了解详细信息。该属性默认为 *false*。
 		</p>
 
+		<h3>[property:Boolean isDirectionalLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:Vector3 position]</h3>
 		<p>

docs/api/zh/lights/HemisphereLight.html

@@ -68,6 +68,11 @@
 			默认会创建 [page:Color] 并设置为白色（0xffffff）。
 		</p>
 
+		<h3>[property:Boolean isHemisphereLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Vector3 position]</h3>
 		<p>
 			假如这个值设置等于 [page:Object3D.DefaultUp] (0, 1, 0),那么光线将会从上往下照射。

docs/api/zh/lights/HemisphereLightProbe.html

@@ -32,6 +32,11 @@
 				See the base [page:LightProbe LightProbe] class for common properties.
 		</p>
 
+		<h3>[property:Boolean isHemisphereLightProbe]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>方法</h2>
 		<p>
 				See the base [page:LightProbe LightProbe] class for common methods.

docs/api/zh/lights/Light.html

@@ -46,6 +46,11 @@
 		<br />
 		</p>
 
+		<h3>[property:Boolean isLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h2>Methods</h2>
 		<p>

docs/api/zh/lights/LightProbe.html

@@ -51,6 +51,11 @@
 				[page:Light.color color] 属性当前未做评估，因此不生效。
 		</p>
 
+		<h3>[property:Boolean isLightProbe]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:SphericalHarmonics3 sh]</h3>
 		<p>
 			光照探针使用球面谐波（spherical harmonic）来编码光照信息。

docs/api/zh/lights/RectAreaLight.html

@@ -61,6 +61,11 @@
 			公共属性请查看基类[page:Light Light]。
 		</p>
 
+		<h3>[property:Boolean isRectAreaLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h2>方法（Methods）</h2>
 		<p>
 			公共方法请查看基类 [page:Light Light]。

docs/api/zh/lights/SpotLight.html

@@ -88,6 +88,11 @@
 			缺省值为 *0.0*。
 		</p>
 
+		<h3>[property:Boolean isSpotLight]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Float penumbra]</h3>
 		<p>
 				聚光锥的半影衰减百分比。在0和1之间的值。

docs/api/zh/loaders/ImageBitmapLoader.html

@@ -69,6 +69,11 @@
 		<h2>属性</h2>
 		<p>共有属性请参见其基类[page:Loader]。</p>
 
+		<h3>[property:Boolean isImageBitmapLoader]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 
 		<h3>[property:String options]</h3>
 		<p>一个可选对象，用来设置内部使用的[link:https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/createImageBitmap createImageBitmap]工厂方法，

docs/api/zh/materials/LineDashedMaterial.html

@@ -48,6 +48,11 @@
 		<h3>[property:number gapSize]</h3>
 		<p>间隙的大小，默认值为 *1*。</p>
 
+		<h3>[property:Boolean isLineDashedMaterial]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:number scale]</h3>
 		<p>线条中虚线部分的占比。默认值为 *1*。</p>
 

docs/api/zh/materials/Material.html

@@ -107,6 +107,11 @@ Default is *false*.
 	在绘制2D叠加时，将多个事物分层在一起而不创建z-index时，禁用深度写入会很有用。
 </p>
 
+		<h3>[property:Boolean isMaterial]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 <h3>[property:Boolean stencilWrite]</h3>
 <p>
 Whether stencil operations are performed against the stencil buffer. In order to perform writes or comparisons against the stencil buffer this value must be *true*. Default is *false*.

docs/api/zh/materials/MeshStandardMaterial.html

@@ -144,6 +144,11 @@
 		<p> 定义材质是否使用平面着色进行渲染。默认值为false。
 		</p>
 
+		<h3>[property:Boolean isMeshStandardMaterial]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Texture lightMap]</h3>
 		<p>光照贴图。默认值为null。lightMap需要第二组UV。</p>
 

docs/api/zh/materials/ShaderMaterial.html

@@ -313,6 +313,11 @@ this.extensions = {
 
 		</p>
 
+		<h3>[property:Boolean isShaderMaterial]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Boolean lights]</h3>
 		<p> 材质是否受到光照的影响。默认值为 *false*。如果传递与光照相关的uniform数据到这个材质，则为true。默认是false。
 		</p>

docs/api/zh/materials/SpriteMaterial.html

@@ -60,6 +60,11 @@
 		<h3>[property:Color color]</h3>
 		<p>材质的颜色([page:Color])，默认值为白色 (0xffffff)。 [page:.map]会和 color 相乘。</p>
 
+		<h3>[property:Boolean isSpriteMaterial]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Texture map]</h3>
 		<p>颜色贴图。默认为null。</p>
 

docs/api/zh/math/Box3.html

@@ -49,6 +49,11 @@
 
 		<h2>属性（Properties）</h2>
 
+		<h3>[property:Boolean isBox3]</h3>
+		<p>
+			Read-only flag to check whether a given object is of type [name].
+		</p>
+
 		<h3>[property:Vector3 min]</h3>
 		<p>
 			[page:Vector3] 表示包围盒的下边界。<br />