W3School TIY Editor
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<!DOCTYPE html> <html> <body> <h1>演示如何访问 Email 字段</h1> 电子邮件：<input type="email" id="myEmail" value="bill@microsoft.com"> <p>单击按钮可获取 Email 字段的电子邮件地址。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myEmail").value; document.getElementById("demo").innerHTML = x; } </script> </body> </html>