Hello folks! welcome back to a new edition of our tutorial on XML DOM. In this tutorial, we are going to be studying about the XML DOM ProcessIngInstruction data Attribute.
The XML DOM ProcessingInstruction data attribute is a character that describes the information for the application to process immediately preceding the ?>.
The XML DOM ProcessingInstruction data attribute is a character that describes the information for the application to process immediately preceding the ?>.
Syntax
The following below is the syntax to use the ProcessingInstruction data attribute -
ProcessingInstruction.target
Parameter Details
| S.No. | Parameter & Description |
|---|---|
| 1 | data It is a character that describes the information for the application to process immediately preceding the ?>. |
Example
The following example illustrates the usage of the ProcessingInstruction data attribute -
<!DOCTYPE html> <html> <head> <script> // loads the xml string in a dom object function loadXMLString(t) { // for non IE browsers if (window.DOMParser) { // create an instance for xml dom object parser = new DOMParser(); xmlDoc = parser.parseFromString(t,"text/xml"); } else // code for IE { // create an instance for xml dom object xmlDoc = new ActiveXObject("Microsoft.XMLDOM"); xmlDoc.async = false; xmlDoc.loadXML(t); } return xmlDoc; } function get_firstChild(p) { a = p.firstChild; return a; } </script> </head> <body> <script> var xml = "<Employee>"; xml = xml+"<FirstName>"; xml = xml+"<?piTarget piData more piData?>"; xml = xml+"</FirstName>"; xml = xml+"</Employee>"; // calls the loadXMLString() with "text" function and store the xml dom in a variable var xmlDoc = loadXMLString(xml); var x = get_firstChild(xmlDoc.getElementsByTagName("FirstName")[0]); document.write("First child is : "); document.write(x.nodeName); //the following should be "piData more piData" alert(x.data); //the following should be "piTarget" alert(x.target); </script> </body> </html>
Output
Save file as processinginstruction_data.html on the server's path. This is going to give us the following output below -
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about XML DOM ProcessingInstruction target attribute.
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Feel free to ask your questions where necessary and we will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.
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Thanks for reading and bye for now.