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  1. 開発者向けのウェブ技術
  2. Web API
  3. HTMLMediaElement
  4. volume
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HTMLMediaElement: volume プロパティ

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

HTMLMediaElement.volume プロパティは、メディアを再生する音量を設定します。

In this article

値

double 値で 0 から 1 の間でなければなりません。 ここで、0 は効果的にミュートされ、1 が最大の可能な値です。

例

js
const obj = document.createElement("audio"); console.log(obj.volume); // 1 obj.volume = 0.75;

仕様書

Specification
HTML
# dom-media-volume-dev

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  1. HTML DOM API
  2. HTMLMediaElement
  3. インスタンスプロパティ
    1. audioTracks
    2. autoplay
    3. buffered
    4. controller
    5. controls
    6. controlsList
    7. crossOrigin
    8. currentSrc
    9. currentTime
    10. defaultMuted
    11. defaultPlaybackRate
    12. disableRemotePlayback
    13. duration
    14. ended
    15. error
    16. loading
    17. loop
    18. mediaGroup
    19. mediaKeys
    20. muted
    21. networkState
    22. paused
    23. playbackRate
    24. played
    25. preload
    26. preservesPitch
    27. readyState
    28. remote
    29. seekable
    30. seeking
    31. sinkId
    32. src
    33. srcObject
    34. textTracks
    35. videoTracks
    36. volume
  4. インスタンスメソッド
    1. addTextTrack()
    2. canPlayType()
    3. captureStream()
    4. fastSeek()
    5. getStartDate()
    6. load()
    7. pause()
    8. play()
    9. seekToNextFrame()
    10. setMediaKeys()
    11. setSinkId()
  5. イベント
    1. abort
    2. canplay
    3. canplaythrough
    4. durationchange
    5. emptied
    6. encrypted
    7. ended
    8. error
    9. loadeddata
    10. loadedmetadata
    11. loadstart
    12. pause
    13. play
    14. playing
    15. progress
    16. ratechange
    17. seeked
    18. seeking
    19. stalled
    20. suspend
    21. timeupdate
    22. volumechange
    23. waiting
    24. waitingforkey
  6. 継承
    1. HTMLElement
    2. Element
    3. Node
    4. EventTarget
  7. HTML DOM に関連するページ
    1. BeforeUnloadEvent
    2. DOMStringMap
    3. ErrorEvent
    4. HTMLAnchorElement
    5. HTMLAreaElement
    6. HTMLAudioElement
    7. HTMLBRElement
    8. HTMLBaseElement
    9. HTMLBodyElement
    10. HTMLButtonElement
    11. HTMLCanvasElement
    12. HTMLDListElement
    13. HTMLDataElement
    14. HTMLDataListElement
    15. HTMLDialogElement
    16. HTMLDivElement
    17. HTMLDocument
    18. HTMLElement
    19. HTMLEmbedElement
    20. HTMLFieldSetElement
    21. HTMLFormControlsCollection
    22. HTMLFormElement
    23. HTMLFrameSetElement
    24. HTMLGeolocationElement
    25. HTMLHRElement
    26. HTMLHeadElement
    27. HTMLHeadingElement
    28. HTMLHtmlElement
    29. HTMLIFrameElement
    30. HTMLImageElement
    31. HTMLInputElement
    32. HTMLLIElement
    33. HTMLLabelElement
    34. HTMLLegendElement
    35. HTMLLinkElement
    36. HTMLMapElement
    37. HTMLMenuElement
    38. HTMLMetaElement
    39. HTMLMeterElement
    40. HTMLModElement
    41. HTMLOListElement
    42. HTMLObjectElement
    43. HTMLOptGroupElement
    44. HTMLOptionElement
    45. HTMLOptionsCollection
    46. HTMLOutputElement
    47. HTMLParagraphElement
    48. HTMLPictureElement
    49. HTMLPreElement
    50. HTMLProgressElement
    51. HTMLQuoteElement
    52. HTMLScriptElement
    53. HTMLSelectElement
    54. HTMLSourceElement
    55. HTMLSpanElement
    56. HTMLStyleElement
    57. HTMLTableCaptionElement
    58. HTMLTableCellElement
    59. HTMLTableColElement
    60. HTMLTableElement
    61. HTMLTableRowElement
    62. HTMLTableSectionElement
    63. HTMLTemplateElement
    64. HTMLTextAreaElement
    65. HTMLTimeElement
    66. HTMLTitleElement
    67. HTMLTrackElement
    68. HTMLUListElement
    69. HTMLUnknownElement
    70. HTMLVideoElement
    71. HashChangeEvent
    72. History
    73. ImageData
    74. Location
    75. MessageChannel
    76. MessageEvent
    77. MessagePort
    78. Navigator
    79. PageRevealEvent
    80. PageSwapEvent
    81. PageTransitionEvent
    82. Plugin
    83. PluginArray
    84. PromiseRejectionEvent
    85. RadioNodeList
    86. TimeRanges
    87. UserActivation
    88. ValidityState
    89. Window
    90. WorkletGlobalScope
  8. ガイド
    1. JavaScript で queueMicrotask() によるマイクロタスクの使用
    2. In depth: Microtasks and the JavaScript runtime environment

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