Javascript DOM HTML Form length Property get all form elements

Introduction

Return the value of each element in a form:

Click button to return the value of each element in the form.

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<!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>//from w ww .ja  v  a  2s .  c  o  m
<button onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {
  var x = document.getElementById("myForm");
  var txt = "";
  var i = 0;
  for (i = 0; i< x.length; i++) {
    txt = txt + x.elements[i].value + "<br>";
  }
  document.getElementById("demo").innerHTML = txt;
}
</script>

</body>
</html>



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