a way to keep processor-specific information in the text of the document. See DOM Level 2 Spec
Adds the specified callback as an event listener for the named event.
Fires a synthesized event to any registered listeners.
Gets the value of the data property.
Gets the value of the target property.
Removes the specified callback as an event listener for the named event.
Sets the value of the data property.
Retrieve the content of this processing instruction. This from the first non white space character after the target to the character immediatly preceding the ?>. When setting a processing instruction, a DOMException may be thrown on an invalid instruction.
Retrieve the target of this processing instruction. XML defines this as being the first token following the markup that begins the processing instruction. read-only