源代码:
<!DOCTYPE html> <html> <body> <form id="frm1" action="demo-form"> First name: <input type="text" name="fname" value="Donald"><br> Last name: <input type="text" name="lname" value="Duck"><br> <input type="submit" value="Submit"> </form> <p>Return the value of each element in the form:</p> <script> var x=document.getElementById("frm1"); for (var i=0;i<x.length;i++) { document.write(x.elements[i].value); document.write("<br>"); } </script> </body> </html>
运行结果：