编辑代码:
查看结果 »
试一试 - ©
w3ii.com
<!DOCTYPE html> <html> <body> <form id="frm1" action="form_action.asp"> <button id="btn1" name="subject" type="submit" value="fav_HTML">HTML</button> <button id="btn2" name="subject" type="submit" value="fav_CSS">CSS</button> </form> <p>Click the "Try it" button to return the value of the "HTML" button:</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("btn1").value; document.getElementById("demo").innerHTML = x; } </script> </body> </html>