编辑代码:
查看结果 »
试一试 - ©
w3ii.com
<!DOCTYPE html> <html> <body> Login: <input type="email" id="myEmail" placeholder="Email"> <p>Click the button to display the placeholder text of the email field.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myEmail").placeholder; document.getElementById("demo").innerHTML = x; } </script> </body> </html>