Getting input values from text box

Question

I'm trying to get the text from a text box.

I have 2 input text boxes that are not in a form, and I'm trying to retrieve the value and store it in a variable.

This code returns undefined in the alert box that pops up.

<script>
    var userPass = document.getElementById('pass');
    var userName = document.getElementById('fName');
    function submit(){
        alert(userPass.value);
    }
</script>

When I run it with userName.value as a parameter in the alert function, it will work and display what ever you type in the box.

Here is the html:

 <table id="login">
        <tr>
            <td><label>User Name</label></td>
        </tr>
        <tr>
            <td colspan="2"><input class="textBox" id="fName" type="text" maxlength="30"    required/></td>
        </tr>
        <tr>
            <td id="pass"><label>Password</label></td>
        <tr>
            <td colspan="2"><input class="textBox" id="pass" type="text" maxlength="30" required/></td>
        </tr>
        <tr>
            <td><input type="button" class="loginButtons" value="Login" onclick="submit();"/>&nbsp&nbsp&nbsp
            <input type="button" class="loginButtons" value="Cancel"/></td>
    </table>

Answer 1

You will notice you have no value attr in the input tags.
Also, although not shown, make sure the Javascript is run after the html is in place.

Answer 2

<script>
  function submit(){
      var userPass = document.getElementById('pass');
      var userName = document.getElementById('user');
      alert(user.value);
      alert(pass.value);
  }
</script>

<input type="text" id="user" />
<input type="text" id="pass" />
<button onclick="submit();" href="javascript:;">Submit</button>