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CharacterData

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CharacterData 介面表示了含有字元的 Node 物件。CharacterData 為抽象介面,代表不會有型別為 CharacterData 的物件。物件是由其子介面,如 TextComment 或 ProcessingInstruction 等非抽象介面來實作。

屬性

Inherits properties from its parent, Node, and implements the ChildNode and NonDocumentTypeChildNode interface.

CharacterData.data
Is a DOMString representing the textual data contained in this object.
CharacterData.length Read only
Returns an unsigned long representing the size of the string contained in CharacterData.data.
NonDocumentTypeChildNode.nextElementSibling Read only
Returns the 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 Read only
Returns the 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 interface.

CharacterData.appendData()
Appends the given DOMString to the 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()
Returns a DOMString containing the part of CharacterData.data of the specified length and starting at the specified offset.

規範

Specification Status Comment
DOM
The definition of 'CharacterData' in that specification.
Living Standard Added implemention of the ChildNode and NonDocumentTypeChildNode interface.
Document Object Model (DOM) Level 3 Core Specification
The definition of 'CharacterData' in that specification.
Recommendation 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.
Recommendation No change from Document Object Model (DOM) Level 1 Specification.
Document Object Model (DOM) Level 1 Specification
The definition of 'CharacterData' in that specification.
Recommendation Initial definition.

瀏覽器相容性

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 1.0 1.0 (1.7 or earlier) 6 (Yes) (Yes)
Implements ChildNode interface. ? 25.0 (25.0) [1] No support ? No support
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) 1.0 (1.0) (Yes) (Yes) (Yes)
Implements ChildNode interface. ? 25.0 (25.0) [1] No support ? No support

[1] Two properties, nextElementSibling and previousElementSibling, have been moved to the NonDocumentTypeChildNode interface, also implemented by CharacterData.

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