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<!DOCTYPE html> <html> <body> <ul id="myList1"><li>Coffee</li><li>Tea</li></ul> <ul id="myList2"><li>Water</li><li>Milk</li></ul> <p>Click the button to move an item from one list to another</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var node = document.getElementById("myList2").lastChild; var list = document.getElementById("myList1"); list.insertBefore(node, list.childNodes[0]); } </script> </body> </html>