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  1. 開発者向けのウェブ技術
  2. Web API
  3. DOMStringList
  4. length
    • English (US)
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このページはコミュニティーの尽力で英語から翻訳されました。MDN Web Docs コミュニティーについてもっと知り、仲間になるにはこちらから。

この記事では

  • 値
  • 仕様書
  • ブラウザーの互換性
  1. ドキュメントオブジェクトモデル (DOM)
  2. DOMStringList
  3. インスタンスプロパティ
    1. length
  4. インスタンスメソッド
    1. contains()
    2. item()
  5. DOM に関連するページ
    1. AbortController
    2. AbortSignal
    3. AbstractRange
    4. Attr
    5. CDATASection
    6. CharacterData
    7. Comment
    8. CustomEvent
    9. DOMError 非推奨;
    10. DOMException
    11. DOMImplementation
    12. DOMParser
    13. DOMPoint
    14. DOMPointReadOnly
    15. DOMRect
    16. DOMTokenList
    17. Document
    18. DocumentFragment
    19. DocumentType
    20. Element
    21. Event
    22. EventTarget
    23. HTMLCollection
    24. MutationObserver
    25. MutationRecord
    26. NamedNodeMap
    27. Node
    28. NodeIterator
    29. NodeList
    30. ProcessingInstruction
    31. Range
    32. StaticRange
    33. Text
    34. TextDecoder
    35. TextEncoder
    36. TimeRanges
    37. TreeWalker
    38. XMLDocument

この記事では

  • 値
  • 仕様書
  • ブラウザーの互換性

DOMStringList: length プロパティ

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

  • Learn more
  • See full compatibility
  • Report feedback

読み取り専用の length プロパティは、DOMStringList の中にある文字列の数を示します。

値

Number です。

仕様書

Specification
HTML
# dom-domstringlist-length

ブラウザーの互換性

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