org.w3c.dom

## Interface ProcessingInstruction

- All Superinterfaces:
    Node

      public interface ProcessingInstruction
      extends Node

  The `ProcessingInstruction` interface represents a "processing instruction", used in XML as a way to keep processor-specific information in the text of the document.

  No lexical check is done on the content of a processing instruction and it is therefore possible to have the character sequence `"?>"` in the content, which is illegal a processing instruction per section 2.6 of [XML 1.0]. The presence of this character sequence must generate a fatal error during serialization.

  See also the Document Object Model (DOM) Level 3 Core Specification.

- - ### Field Summary

    - ### Fields inherited from interface org.w3c.dom.Node

      `ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_POSITION_CONTAINED_BY, DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_PRECEDING, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `getData()` The content of this processing instruction.
    `String` | `getTarget()` The target of this processing instruction.
    `void` | `setData(String data)` The content of this processing instruction.

    - ### Methods inherited from interface org.w3c.dom.Node

      `appendChild, cloneNode, compareDocumentPosition, getAttributes, getBaseURI, getChildNodes, getFeature, getFirstChild, getLastChild, getLocalName, getNamespaceURI, getNextSibling, getNodeName, getNodeType, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, getTextContent, getUserData, hasAttributes, hasChildNodes, insertBefore, isDefaultNamespace, isEqualNode, isSameNode, isSupported, lookupNamespaceURI, lookupPrefix, normalize, removeChild, replaceChild, setNodeValue, setPrefix, setTextContent, setUserData`

- - ### Method Detail

    - #### getTarget

          String getTarget()

      The target of this processing instruction. XML defines this as being the first token following the markup that begins the processing instruction.

    - #### getData

          String getData()

      The content of this processing instruction. This is from the first non white space character after the target to the character immediately preceding the `?>`.

    - #### setData

          void setData(String data)
                       throws DOMException

      The content of this processing instruction. This is from the first non white space character after the target to the character immediately preceding the `?>`.
      Throws:
        `DOMException` - NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.

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