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- DOM - Node Object
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- DOM - DOMImplementation
- DOM - DocumentType Object
- DOM - ProcessingInstruction
- DOM - Entity Object
- DOM - EntityReference Object
- DOM - Notation Object
- DOM - Element Object
- DOM - Attribute Object
- DOM - CDATASection Object
- DOM - Comment Object
- DOM - XMLHttpRequest Object
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- XML DOM Useful Resources
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DOM - DocumentType Object Attribute - systemId
The attribute systemId returns the system identifier of the external subset. This may be an absolute URI or not.
Syntax
Following is the syntax for the usage of the systemId attribute.
document.doctype.systemId;
Example
notation.xml contents are as below −
<?xml version = "1.0" encoding = "UTF-8" standalone = "no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <address id = "firstelement"> <name>Tanmay Patil</name > <company>TutorialsPoint</company> <phone>(011) 123-4567</phone> </address>
Following example demonstrates the usage of the systemId attribute −
<!DOCTYPE html> <html> <head> <script> function loadXMLDoc(filename) { if (window.XMLHttpRequest) { xhttp = new XMLHttpRequest(); } else // code for IE5 and IE6 { xhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xhttp.open("GET",filename,false); xhttp.send(); return xhttp.responseXML; } </script> </head> <body> <script> xmlDoc = loadXMLDoc("/dom/notation_xhtml.xml"); document.write("<b>SystemId :</b> "+xmlDoc.doctype.systemId); </script> </body> </html>
Execution
Save this file as documenttype_systemId.html on the server path (this file and notation.xml should be on the same path in your server). We will get the output as shown below −
SystemId : http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd
dom_documenttype_object.htm
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