Blog: Assignment 3 solution

<html>
<head>
<script language="javascript" type="text/javascript">
function resetField(txtfield) {
txtfield.style.backgroundColor = "white";
txtfield.value = "";
txtfield.focus();
}
function findGrades() {

txtfield = document.getElementById("gpa");

GPA = txtfield.value;
numericvalue = parseFloat(GPA);

if(!isNaN(numericvalue)){
  if(GPA == 4){
   txtfield.style.backgroundColor = "lime";
   window.alert("Excellent :: You got A grade");
   return true;
  }
  else if(numericvalue >= 3 && numericvalue < 4){
   txtfield.style.backgroundColor = "lime";
   window.alert("Very Good :: You got B grade");
   return true;
  }
  else if(numericvalue >= 2 && numericvalue < 3){
   txtfield.style.backgroundColor = "lime";
   window.alert("Good :: You got C grade");
   return true;
  }
  else if(numericvalue >= 1 && numericvalue < 2){
   txtfield.style.backgroundColor = "lime";
   window.alert("Fair :: You got D grade");
   return true;
  }
  else {
   txtfield.style.backgroundColor = "lightskyblue";
   window.alert("Numeric value must be between 1 and 4");
   resetField(txtfield);
   return false;
  }
}
else if(GPA == "") {
  txtfield.style.backgroundColor = "pink";
  window.alert("Please enter GPA");
  resetField(txtfield);
  return false;
}
else {
  txtfield.style.backgroundColor = "red";
  window.alert("Please enter numeric value only");
  resetField(txtfield);
  return false;
}
}
</script>
<title>CS101 :: Assignment 3</title>
</head>
<body bgcolor="#CCCCCC">
<p> </p>
<h1 align="center">Your VU-ID Here :: Assignment 3 (CS101)</h1><br>
<form method="post" action="http://www.vu.edu.pk/">
<table width="350" border="1" align="center" cellpadding="5" cellspacing="0" bordercolor="#FFFFFF">
<tr>
    <td align="right" valign="middle"><strong>GPA :</strong></td>
    <td height="50" align="left" valign="middle"><input name="gpa" type="text" id="gpa" size="30"></td>
</tr>
<tr>
    <td> 
      </td>
    <td height="50"><input name="submit" type="submit" id="submit" onClick="return findGrades()" value="Find Grades" style="font-weight:bold; padding:3px; width:120px;"></td>
</tr>
</table>
</form>
</body>
</html>

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Sunday, 13 March 2011

Assignment 3 solution

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