EIW Fall 2004 JavaScript Example: formexample

<!-- Javascript: Form field access -->

<HTML>
<HEAD>
<TITLE>Form field access</TITLE>
</HEAD>
<BODY>

Name: <INPUT ID=nfield TYPE=TEXT><BR>
<INPUT TYPE=BUTTON VALUE="Check"
       onClick="validate();">

<SCRIPT>
// validate forces the name entered to be "Dave"
function validate() {
  fld = document.getElementById("nfield");
  if (fld.value != "Dave") {
     alert("The name you typed is wrong");
     fld.value="Dave";
  } else {
     alert("CORRECT!");
  }
}
</script>
</BODY>
</HTML>