HTMLFormControlsCollection

HTMLFormControlsCollection interface represents a collection of HTML form control elements . It represents the lists returned by the HTMLFormElement interface's elements property and the HTMLFieldSetElement interface's elements 特性。

This interface replaces one method from HTMLCollection , on which it is based.

特性

This interface inherits the properties of its parent, HTMLCollection .

方法

This interface inherits the methods of its parent, HTMLCollection .

HTMLFormControlsCollection.namedItem()
返回 RadioNodeList Element in the collection whose name or id matches the specified name, or null if no nodes match. Note that this version of namedItem() hide the one inherited from HTMLCollection . Like that one, in JavaScript, using the array bracket syntax with a String , like collection ["value"] 相当于 collection .namedItem("value") .

规范

规范 状态 Comment
HTML Living Standard
The definition of 'HTMLFormControlsCollection' in that specification.
实时标准 No change since the last snapshot, HTML5 .
HTML5
The definition of 'HTMLFormControlsCollection' in that specification.
Recommendation In this snapshot of HTML Living Standard HTMLFormControlsCollections is defined for the first time.

浏览器兼容性

更新 GitHub 上的兼容性数据
Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
HTMLFormControlsCollection Chrome Yes Edge 79 Firefox 27 IE No Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android 27 Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
namedItem Chrome Yes Edge 79 Firefox 33
33
不支持 27 — 33
Returned a NodeList instead of a RadioNodeList .
IE No Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android 33
33
不支持 27 — 33
Returned a NodeList instead of a RadioNodeList .
Opera Android Yes Safari iOS Yes Samsung Internet Android Yes

图例

完整支持
完整支持
不支持
不支持
见实现注意事项。

另请参阅

  1. HTMLFormControlsCollection
  2. 方法
    1. namedItem()
  3. 继承:
    1. HTMLCollection
  4. Related pages for HTML DOM
    1. BeforeUnloadEvent
    2. DOMStringMap
    3. ErrorEvent
    4. GlobalEventHandlers
    5. HTMLAnchorElement
    6. HTMLAreaElement
    7. HTMLAudioElement
    8. HTMLBRElement
    9. HTMLBaseElement
    10. HTMLBaseFontElement
    11. HTMLBodyElement
    12. HTMLButtonElement
    13. HTMLCanvasElement
    14. HTMLContentElement
    15. HTMLDListElement
    16. HTMLDataElement
    17. HTMLDataListElement
    18. HTMLDialogElement
    19. HTMLDivElement
    20. HTMLDocument
    21. HTMLElement
    22. HTMLEmbedElement
    23. HTMLFieldSetElement
    24. HTMLFormElement
    25. HTMLFrameSetElement
    26. HTMLHRElement
    27. HTMLHeadElement
    28. HTMLHeadingElement
    29. HTMLHtmlElement
    30. HTMLIFrameElement
    31. HTMLImageElement
    32. HTMLInputElement
    33. HTMLIsIndexElement
    34. HTMLKeygenElement
    35. HTMLLIElement
    36. HTMLLabelElement
    37. HTMLLegendElement
    38. HTMLLinkElement
    39. HTMLMapElement
    40. HTMLMediaElement
    41. HTMLMetaElement
    42. HTMLMeterElement
    43. HTMLModElement
    44. HTMLOListElement
    45. HTMLObjectElement
    46. HTMLOptGroupElement
    47. HTMLOptionElement
    48. HTMLOptionsCollection
    49. HTMLOutputElement
    50. HTMLParagraphElement
    51. HTMLParamElement
    52. HTMLPictureElement
    53. HTMLPreElement
    54. HTMLProgressElement
    55. HTMLQuoteElement
    56. HTMLScriptElement
    57. HTMLSelectElement
    58. HTMLShadowElement
    59. HTMLSourceElement
    60. HTMLSpanElement
    61. HTMLStyleElement
    62. HTMLTableCaptionElement
    63. HTMLTableCellElement
    64. HTMLTableColElement
    65. HTMLTableDataCellElement
    66. HTMLTableElement
    67. HTMLTableHeaderCellElement
    68. HTMLTableRowElement
    69. HTMLTableSectionElement
    70. HTMLTemplateElement
    71. HTMLTextAreaElement
    72. HTMLTimeElement
    73. HTMLTitleElement
    74. HTMLTrackElement
    75. HTMLUListElement
    76. HTMLUnknownElement
    77. HTMLVideoElement
    78. HashChangeEvent
    79. History
    80. ImageData
    81. Location
    82. MessageChannel
    83. MessageEvent
    84. MessagePort
    85. Navigator
    86. NavigatorGeolocation
    87. NavigatorID
    88. NavigatorLanguage
    89. NavigatorOnLine
    90. NavigatorPlugins
    91. PageTransitionEvent
    92. Plugin
    93. PluginArray
    94. PopStateEvent
    95. PortCollection
    96. PromiseRejectionEvent
    97. RadioNodeList
    98. Transferable
    99. ValidityState
    100. Window
    101. WindowBase64
    102. WindowEventHandlers
    103. WindowTimers