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<!DOCTYPE html> <html> <body> <p>单击该按钮创建一个带有一些文本的 DIALOG 元素。</p> <button onclick="myFunction()">试一试</button> <p><b>注意：</b>dialog 对话框元素仅在 Chrome 37+、Safari 6+ 和 Opera 24+ 中受支持。</p> <script> function myFunction() { var x = document.createElement("DIALOG"); var t = document.createTextNode("This is an open dialog window"); x.setAttribute("open", "open"); x.appendChild(t); document.body.appendChild(x); } </script> </body> </html>