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<html><body><h1>The Window Object</h1><h2>The open() and close() Methods</h2><button onclick="openWin()">Open "myWindow"</button><button onclick="closeWin()">Close "myWindow"</button><script>let myWindow;function openWin() { myWindow = window.open("", "", "width=200,height=100");}function closeWin() { myWindow.close();}</script></body></html>