Loop through all elements in a form and output the value of each element:
Click button to display the value of each element in the form.
<!DOCTYPE html> <html> <body> <form id="myForm" action="/action_page.php"> First name: <input type="text" name="fname" value="CSS"><br> Last name: <input type="text" name="lname" value="HTML"><br> <input type="submit" value="Submit"> </form>//w w w. j a v a2 s . c o m <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myForm"); var txt = ""; var i; for (i = 0; i < x.length; i++) { txt = txt + x.elements[i].value + "<br>"; } document.getElementById("demo").innerHTML = txt; } </script> </body> </html>