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<!DOCTYPE html> <html> <body> <h1>The Window Object</h1> <h2>The setTimeout() Method</h2> <p>Click the button to open a new window and close the window after three seconds (3000 milliseconds)</p> <button onclick="openWin()">Open "myWindow"</button> <script> function openWin() { const myWindow = window.open("", "", "width=200, height=100"); setTimeout(function() {myWindow.close()}, 3000); } </script> </body> </html>
