String.prototype.includes()
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/String/includes 

 stemv
https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/stemv 

 Access-Control-Allow-Headers
https://developer.mozilla.org/ja/docs/Web/HTTP/Headers/Access-Control-Allow-Headers 

 math:min()
https://developer.mozilla.org/en-US/docs/Web/EXSLT/math/min 

 "CSSSkewX: ax property"
https://developer.mozilla.org/en-US/docs/Web/API/CSSSkewX/ax 

 "WebGLRenderingContext: makeXRCompatible() method"
https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/makeXRCompatible 

 "CharacterData: nextElementSibling property"
https://developer.mozilla.org/ja/docs/Web/API/CharacterData/nextElementSibling 

 "MDN Web Docs Glossary: Definitions of Web-related terms"
https://developer.mozilla.org/ja/docs/Glossary 

 Client-side web APIs
https://developer.mozilla.org/ja/docs/Learn/JavaScript/Client-side_web_APIs 

 Progressive web apps
https://developer.mozilla.org/ja/docs/Glossary/Progressive_web_apps 

 "SpeechSynthesisEvent: elapsedTime property"
https://developer.mozilla.org/ja/docs/Web/API/SpeechSynthesisEvent/elapsedTime 

 "HTMLTextAreaElement: wrap property"
https://developer.mozilla.org/ja/docs/Web/API/HTMLTextAreaElement/wrap 

 "HTMLMediaElement: seeked event"
https://developer.mozilla.org/ja/docs/Web/API/HTMLMediaElement/seeked_event 

 Pull request submission and review guidelines
https://developer.mozilla.org/ja/docs/MDN/Community/Pull_requests 

 "CanvasRenderingContext2D: reset() method"
https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/reset 

 "CanvasRenderingContext2D: fillText() method"
https://developer.mozilla.org/ja/docs/Web/API/CanvasRenderingContext2D/fillText 

 "XRTransientInputHitTestSource: cancel() method"
https://developer.mozilla.org/en-US/docs/Web/API/XRTransientInputHitTestSource/cancel 

 "javascript: URLs"
https://developer.mozilla.org/ja/docs/Web/URI/Schemes/javascript 

 WEBGL_compressed_texture_etc1 extension
https://developer.mozilla.org/en-US/docs/Web/API/WEBGL_compressed_texture_etc1 

 "RTCIceCandidatePairStats: transportId property"
https://developer.mozilla.org/en-US/docs/Web/API/RTCIceCandidatePairStats/transportId 

 Object.preventExtensions()
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Object/preventExtensions 

 "ImageData: colorSpace property"
https://developer.mozilla.org/ja/docs/Web/API/ImageData/colorSpace 

 "HTMLFontElement: face property"
https://developer.mozilla.org/ja/docs/Web/API/HTMLFontElement/face 

 interpolate-size
https://developer.mozilla.org/en-US/docs/Web/CSS/interpolate-size 

 from
https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/From 

 "PaymentManager: userHint property"
https://developer.mozilla.org/en-US/docs/Web/API/PaymentManager/userHint 

 "Element: localName property"
https://developer.mozilla.org/ja/docs/Web/API/Element/localName 

 robots.txt configuration
https://developer.mozilla.org/en-US/docs/Web/Security/Practical_implementation_guides/Robots_txt 

 "AuthenticatorResponse: clientDataJSON property"
https://developer.mozilla.org/en-US/docs/Web/API/AuthenticatorResponse/clientDataJSON 

 Timing in IMSC
https://developer.mozilla.org/en-US/docs/Related/IMSC/Timing_in_IMSC 

 "SpeechSynthesisEvent: name property"
https://developer.mozilla.org/ja/docs/Web/API/SpeechSynthesisEvent/name 

 "HTMLImageElement: isMap property"
https://developer.mozilla.org/ja/docs/Web/API/HTMLImageElement/isMap 

 Firefox 14 for developers
https://developer.mozilla.org/ja/docs/Mozilla/Firefox/Releases/14 

 "WebGLRenderingContext: getShaderSource() method"
https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getShaderSource 

 "HTMLTextAreaElement: validity property"
https://developer.mozilla.org/en-US/docs/Web/API/HTMLTextAreaElement/validity 

 String.prototype.slice()
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/String/slice 

 "WritableStreamDefaultController: signal property"
https://developer.mozilla.org/ja/docs/Web/API/WritableStreamDefaultController/signal 

 "ChapterInformation: startTime property"
https://developer.mozilla.org/en-US/docs/Web/API/ChapterInformation/startTime 

 Using CSS containment
https://developer.mozilla.org/ja/docs/Web/CSS/CSS_containment/Using_CSS_containment 

 mask-border-slice
https://developer.mozilla.org/ja/docs/Web/CSS/mask-border-slice 

 Compute Pressure API
https://developer.mozilla.org/en-US/docs/Web/API/Compute_Pressure_API 

 Array.prototype.values()
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Array/values 

 WebAssembly variable instructions
https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Variables 

 "TypeError: can't delete non-configurable array element"
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Errors/Non_configurable_array_element 

 "FederatedCredential: protocol property"
https://developer.mozilla.org/ja/docs/Web/API/FederatedCredential/protocol 

 "SerialPort: open() method"
https://developer.mozilla.org/ja/docs/Web/API/SerialPort/open 

 scroll-margin-inline-end
https://developer.mozilla.org/ja/docs/Web/CSS/scroll-margin-inline-end 

 "ImageCapture: grabFrame() method"
https://developer.mozilla.org/ja/docs/Web/API/ImageCapture/grabFrame 

 SVGFEColorMatrixElement
https://developer.mozilla.org/en-US/docs/Web/API/SVGFEColorMatrixElement 

 "WebGLRenderingContext: getVertexAttribOffset() method"
https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getVertexAttribOffset 

 Basic concepts of logical properties and values
https://developer.mozilla.org/ja/docs/Web/CSS/CSS_logical_properties_and_values/Basic_concepts_of_logical_properties_and_values 

 "XMLHttpRequest: readyState property"
https://developer.mozilla.org/ja/docs/Web/API/XMLHttpRequest/readyState 

 VRFrameData
https://developer.mozilla.org/ja/docs/Web/API/VRFrameData 

 "PerformanceResourceTiming: fetchStart property"
https://developer.mozilla.org/ja/docs/Web/API/PerformanceResourceTiming/fetchStart 

 "HTMLIFrameElement: sandbox property"
https://developer.mozilla.org/ja/docs/Web/API/HTMLIFrameElement/sandbox 

 "load: Wasm text instruction"
https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/Memory/Load 

 "PaymentManager: enableDelegations() method"
https://developer.mozilla.org/en-US/docs/Web/API/PaymentManager/enableDelegations 

 "VideoDecoder: VideoDecoder() constructor"
https://developer.mozilla.org/en-US/docs/Web/API/VideoDecoder/VideoDecoder 

 "LargestContentfulPaint: loadTime property"
https://developer.mozilla.org/en-US/docs/Web/API/LargestContentfulPaint/loadTime 

 "CSSNumericArray: length property"
https://developer.mozilla.org/en-US/docs/Web/API/CSSNumericArray/length 

 "Django Tutorial Part 6: Generic list and detail views"
https://developer.mozilla.org/en-US/docs/Learn/Server-side/Django/Generic_views 

 <view>
https://developer.mozilla.org/en-US/docs/Web/SVG/Element/view 

 "XMLHttpRequest: loadend event"
https://developer.mozilla.org/ja/docs/Web/API/XMLHttpRequest/loadend_event 

 "XRSession: requestHitTestSource() method"
https://developer.mozilla.org/en-US/docs/Web/API/XRSession/requestHitTestSource 

 "CSP: report-uri"
https://developer.mozilla.org/ja/docs/Web/HTTP/Headers/Content-Security-Policy/report-uri 

 "RTCRemoteInboundRtpStreamStats: id property"
https://developer.mozilla.org/en-US/docs/Web/API/RTCRemoteInboundRtpStreamStats/id 

 "Test your skills: variables"
https://developer.mozilla.org/ja/docs/Learn/JavaScript/First_steps/Test_your_skills:_variables 

 anchor-size()
https://developer.mozilla.org/en-US/docs/Web/CSS/anchor-size 

 Move the ball
https://developer.mozilla.org/en-US/docs/Games/Tutorials/2D_breakout_game_Phaser/Move_the_ball 

 "RTCEncodedAudioFrame: getMetadata() method"
https://developer.mozilla.org/en-US/docs/Web/API/RTCEncodedAudioFrame/getMetadata 

 webRequest.RequestFilter
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/RequestFilter 

 "SVGGraphicsElement: cut event"
https://developer.mozilla.org/en-US/docs/Web/API/SVGGraphicsElement/cut_event 

 Property (CSS)
https://developer.mozilla.org/ja/docs/Glossary/Property/CSS 

 fx
https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/fx 

 Template literals (Template strings)
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Template_literals 

 "ReadableStreamDefaultController: error() method"
https://developer.mozilla.org/ja/docs/Web/API/ReadableStreamDefaultController/error 

 "RTCPeerConnection: addTransceiver() method"
https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/addTransceiver 

 "Function: length"
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Function/length 

 "WaveShaperNode: curve property"
https://developer.mozilla.org/en-US/docs/Web/API/WaveShaperNode/curve 

 Understanding latency
https://developer.mozilla.org/en-US/docs/Web/Performance/Understanding_latency 

 "Test your skills: Flexbox"
https://developer.mozilla.org/ja/docs/Learn/CSS/CSS_layout/Flexbox_skills 

 "MediaSource: addSourceBuffer() method"
https://developer.mozilla.org/ja/docs/Web/API/MediaSource/addSourceBuffer 

 Scroll container
https://developer.mozilla.org/ja/docs/Glossary/Scroll_container 

 "GPUAdapterInfo: device property"
https://developer.mozilla.org/ja/docs/Web/API/GPUAdapterInfo/device 

 "CSSNumericValue: div() method"
https://developer.mozilla.org/ja/docs/Web/API/CSSNumericValue/div 

 HTTP Messages
https://developer.mozilla.org/ja/docs/Web/HTTP/Messages 

 "MediaRecorder: stream property"
https://developer.mozilla.org/ja/docs/Web/API/MediaRecorder/stream 

 string
https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/string 

 idle.IdleState
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/idle/IdleState 

 Object.getOwnPropertyDescriptors()
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyDescriptors 

 "AudioEncoder: state property"
https://developer.mozilla.org/en-US/docs/Web/API/AudioEncoder/state 

 "HTMLSelectElement: reportValidity() method"
https://developer.mozilla.org/ja/docs/Web/API/HTMLSelectElement/reportValidity 

 "CSSLayerBlockRule: name property"
https://developer.mozilla.org/ja/docs/Web/API/CSSLayerBlockRule/name 

 "FormData: set() method"
https://developer.mozilla.org/ja/docs/Web/API/FormData/set 

 units-per-em
https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/units-per-em 

 "CanvasRenderingContext2D: getTransform() method"
https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/getTransform 

 "RTCRemoteInboundRtpStreamStats: jitter property"
https://developer.mozilla.org/en-US/docs/Web/API/RTCRemoteInboundRtpStreamStats/jitter 

 "SourceBuffer: appendWindowEnd property"
https://developer.mozilla.org/ja/docs/Web/API/SourceBuffer/appendWindowEnd 

 scripting.ExecutionWorld
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/scripting/ExecutionWorld 

 scale
https://developer.mozilla.org/ja/docs/Web/SVG/Attribute/scale 

 "HTMLButtonElement: value property"
https://developer.mozilla.org/ja/docs/Web/API/HTMLButtonElement/value 

 "TypeError: 'x' is not iterable"
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Errors/is_not_iterable