CharacterData

CharacterData abstract interface represents a Node object that contains characters. This is an abstract interface, meaning there aren't any object of type CharacterData : it is implemented by other interfaces, like Text , Comment ,或 ProcessingInstruction which aren't abstract.

特性

Inherits properties from its parent, Node , and implements the ChildNode and NonDocumentTypeChildNode 接口。

CharacterData.data
DOMString representing the textual data contained in this object.
CharacterData.length 只读
Returns an unsigned long representing the size of the string contained in CharacterData.data .
NonDocumentTypeChildNode.nextElementSibling 只读
返回 Element immediately following the specified one in its parent's children list, or null if the specified element is the last one in the list.
NonDocumentTypeChildNode.previousElementSibling 只读
返回 Element immediately prior to the specified one in its parent's children list, or null if the specified element is the first one in the list.

方法

Inherits methods from its parent, Node , and implements the ChildNode and NonDocumentTypeChildNode 接口。

CharacterData.appendData()
Appends the given DOMString CharacterData.data string; when this method returns, data contains the concatenated DOMString .
CharacterData.deleteData()
Removes the specified amount of characters, starting at the specified offset, from the CharacterData.data string; when this method returns, data contains the shortened DOMString .
CharacterData.insertData()
Inserts the specified characters, at the specified offset, in the CharacterData.data string; when this method returns, data contains the modified DOMString .
ChildNode.remove()
Removes the object from its parent children list.
CharacterData.replaceData()
Replaces the specified amount of characters, starting at the specified offset, with the specified DOMString ; when this method returns, data contains the modified DOMString .
CharacterData.substringData()
返回 DOMString containing the part of CharacterData.data of the specified length and starting at the specified offset.

规范

规范 状态 Comment
DOM
The definition of 'CharacterData' in that specification.
实时标准 Added implemention of the ChildNode and NonDocumentTypeChildNode 接口。
Document Object Model (DOM) Level 3 Core Specification
The definition of 'CharacterData' in that specification.
Obsolete No change from Document Object Model (DOM) Level 2 Core Specification .
Document Object Model (DOM) Level 2 Core Specification
The definition of 'CharacterData' in that specification.
Obsolete No change from Document Object Model (DOM) Level 1 Specification .
Document Object Model (DOM) Level 1 Specification
The definition of 'CharacterData' in that specification.
Obsolete 初始定义。

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
CharacterData Chrome 1 Edge 12 Firefox 1 IE 6 Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
实现 ChildNode interface
非标
Chrome Yes Edge ≤18 Firefox 25
25
Two properties, nextElementSibling and previousElementSibling , have been moved to the NonDocumentTypeChildNode interface, also implemented by CharacterData .
IE No Opera Yes Safari No WebView Android Yes Chrome Android Yes Firefox Android 25
25
Two properties, nextElementSibling and previousElementSibling , have been moved to the NonDocumentTypeChildNode interface, also implemented by CharacterData .
Opera Android Yes Safari iOS ? Samsung Internet Android Yes
appendData Chrome Yes Edge 12 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
data Chrome Yes Edge 12 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
deleteData Chrome Yes Edge 12 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
insertData Chrome Yes Edge 12 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
length Chrome Yes Edge 12 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
replaceData Chrome Yes Edge 12 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
substringData Chrome Yes Edge 12 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes 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
兼容性未知
兼容性未知
非标。预期跨浏览器支持较差。
非标。预期跨浏览器支持较差。
见实现注意事项。

另请参阅