[ ` WebGLRenderbuffer ` ](/en-US/docs/Web/API/WebGLRenderbuffer)
  * [ ` WebGLRenderingContext ` ](/en-US/docs/Web/API/WebGLRenderingContext)
  * [ ` WebGLSampler ` ](/en-US/docs/Web/API/WebGLSampler)
  * [ ` WebGLShader ` ](/en-US/docs/Web/API/WebGLShader)
  * [ ` WebGLShaderPrecisionFormat ` ](/en-US/docs/Web/API/WebGLShaderPrecisionFormat)
  * [ ` WebGLSync ` ](/en-US/docs/Web/API/WebGLSync)
  * [ ` WebGLTexture ` ](/en-US/docs/Web/API/WebGLTexture)
  * [ ` WebGLTransformFeedback ` ](/en-US/docs/Web/API/WebGLTransformFeedback)
  * [ ` WebGLUniformLocation ` ](/en-US/docs/Web/API/WebGLUniformLocation)
  * [ ` WebGLVertexArrayObject ` ](/en-US/docs/Web/API/WebGLVertexArrayObject)
  * [ ` WebSocket ` ](/en-US/docs/Web/API/WebSocket)
  * [ ` WebTransport ` ](/en-US/docs/Web/API/WebTransport)
  * [ ` WebTransportBidirectionalStream ` ](/en-US/docs/Web/API/WebTransportBidirectionalStream)
  * [ ` WebTransportDatagramDuplexStream ` ](/en-US/docs/Web/API/WebTransportDatagramDuplexStream)
  * [ ` WebTransportError ` ](/en-US/docs/Web/API/WebTransportError)
  * [ ` WebTransportReceiveStream ` ](/en-US/docs/Web/API/WebTransportReceiveStream) Experimental 
  * [ ` WebTransportSendStream ` ](/en-US/docs/Web/API/WebTransportSendStream) Experimental 
  * [ ` WGSLLanguageFeatures ` ](/en-US/docs/Web/API/WGSLLanguageFeatures) Experimental 
  * [ ` WheelEvent ` ](/en-US/docs/Web/API/WheelEvent)
  * [ ` Window ` ](/en-US/docs/Web/API/Window)
  * [ ` WindowClient ` ](/en-US/docs/Web/API/WindowClient)
  * [ ` WindowControlsOverlay ` ](/en-US/docs/Web/API/WindowControlsOverlay) Experimental 
  * [ ` WindowControlsOverlayGeometryChangeEvent ` ](/en-US/docs/Web/API/WindowControlsOverlayGeometryChangeEvent) Experimental 
  * [ ` WindowSharedStorage ` ](/en-US/docs/Web/API/WindowSharedStorage) Experimental 
  * [ ` Worker ` ](/en-US/docs/Web/API/Worker)
  * [ ` WorkerGlobalScope ` ](/en-US/docs/Web/API/WorkerGlobalScope)
  * [ ` WorkerLocation ` ](/en-US/docs/Web/API/WorkerLocation)
  * [ ` WorkerNavigator ` ](/en-US/docs/Web/API/WorkerNavigator)
  * [ ` Worklet ` ](/en-US/docs/Web/API/Worklet)
  * [ ` WorkletGlobalScope ` ](/en-US/docs/Web/API/WorkletGlobalScope)
  * [ ` WorkletSharedStorage ` ](/en-US/docs/Web/API/WorkletSharedStorage) Experimental 
  * [ ` WritableStream ` ](/en-US/docs/Web/API/WritableStream)
  * [ ` WritableStreamDefaultController ` ](/en-US/docs/Web/API/WritableStreamDefaultController)
  * [ ` WritableStreamDefaultWriter ` ](/en-US/docs/Web/API/WritableStreamDefaultWriter)

###  X

  * [ ` XMLDocument ` ](/en-US/docs/Web/API/XMLDocument)
  * [ ` XMLHttpRequest ` ](/en-US/docs/Web/API/XMLHttpRequest)
  * [ ` XMLHttpRequestEventTarget ` ](/en-US/docs/Web/API/XMLHttpRequestEventTarget)
  * [ ` XMLHttpRequestUpload ` ](/en-US/docs/Web/API/XMLHttpRequestUpload)
  * [ ` XMLSerializer ` ](/en-US/docs/Web/API/XMLSerializer)
  * [ ` XPathEvaluator ` ](/en-US/docs/Web/API/XPathEvaluator)
  * [ ` XPathException ` ](/en-US/docs/Web/API/XPathException)
  * [ ` XPathExpression ` ](/en-US/docs/Web/API/XPathExpression)
  * [ ` XPathNSResolver ` ](/en-US/docs/Web/API/XPathNSResolver)
  * [ ` XPathResult ` ](/en-US/docs/Web/API/XPathResult)
  * [ ` XRAnchor ` ](/en-US/docs/Web/API/XRAnchor) Experimental 
  * [ ` XRAnchorSet ` ](/en-US/docs/Web/API/XRAnchorSet) Experimental 
  * [ ` XRBoundedReferenceSpace ` ](/en-US/docs/Web/API/XRBoundedReferenceSpace) Experimental 
  * [ ` XRCompositionLayer ` ](/en-US/docs/Web/API/XRCompositionLayer) Experimental 
  * [ ` XRCPUDepthInformation ` ](/en-US/docs/Web/API/XRCPUDepthInformation) Experimental 
  * [ ` XRCubeLayer ` ](/en-US/docs/Web/API/XRCubeLayer) Experimental 
  * [ ` XRCylinderLayer ` ](/en-US/docs/Web/API/XRCylinderLayer) Experimental 
  * [ ` XRDepthInformation ` ](/en-US/docs/Web/API/XRDepthInformation) Experimental 
  * [ ` XREquirectLayer ` ](/en-US/docs/Web/API/XREquirectLayer) Experimental 
  * [ ` XRFrame ` ](/en-US/docs/Web/API/XRFrame) Experimental 
  * [ ` XRHand ` ](/en-US/docs/Web/