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<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>