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Dialog close() 方法
tryjsref_dialog_show_close
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<!DOCTYPE html> <html> <body> <h1>The HTML Dialog Object</h1> <h2>The show() and close() Methods</h2> <p>Click the buttons to show and close a dialog window.</p> <p> <button onclick="showDialog()">Show dialog</button> <button onclick="closeDialog()">Close dialog</button> </p> <dialog id="myDialog">This is a dialog window</dialog> <script> const dialog = document.getElementById("myDialog"); function showDialog() { dialog.show(); } function closeDialog() { dialog.close(); } </script> </body> </html>