<!DOCTYPE html>
<html>
<body>
<h3>演示如何访问 Dialog 元素</h3>
<p>点击按钮来打开对话窗口。</p>
<button onclick="myFunction()">试一下</button>
<p><b>注释：</b>目前只有 Chrome Canary 和 Safari 6 支持 <dialog> 元素。</p>
<dialog id="myDialog">This is an open dialog window</dialog>
<script>
function myFunction()
{
var x = document.getElementById("myDialog");
x.open = true;
}
</script>
</body>
</html>