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<!DOCTYPE html> <html> <head> <style> div { border: 1px solid black; margin: 15px; } </style> </head> <body> <p>Click the button to get the node name of the DIV's last child node.</p> <div id="myDIV"><p>A P element - First child in div</p><span>A Span element - Last child in div</span></div> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myDIV").lastChild.nodeName; document.getElementById("demo").innerHTML = x; } </script> </body> </html>