DOM2 Reference
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Document.createProcessingInstruction

Source: 

         

      

      

         

            JavaScript:
            
  var pi = document.createProcessingInstruction('php', 'echo("another example")');
  var output1 = pi.nodeType;
  var output2 = pi.target;
  var output3 = pi.data;


         

      

      

         

            Output:
            
               

                  

                     desired
                     your browser
                  

                  

                     
                        output1: 7

                        output2: php

                        output3: echo("some example")
                        
                     		
                     
                  

               

            		
         

      



         

            Remarks:
            
               
    
                  
  • it seems that all relevant browsers support JavaScript try-catch statement therefore all examples are encapsulated with it (it avoids alert-popups)
                  
    • 
                  
  • thanks to White Space Handling in XML 1.0 specification default handling of white-spaces completely depends on XML application (note: WinIE do not preserve white-spaces by default while MacIE and Mozilla does)
                  
    • 
                  
  • during development tested with Mozilla night-builds, Netscape6, MicrosoftInternetExplorer5.5 and Opera5.02 on Windows2000
    • 
               

            		
         

      



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