<html>
<head>
<title>Grade Calculation</title>
<script type="text/javascript">
function Add()
{
var a=parseInt(document.getElementById("fptxt").value);
var b=parseInt(document.getElementById("sptxt").value);
var c=parseInt(document.getElementById("fgtxt").value);
var d=a+b+c;
document.getElementById("sgtxt").value=d/3;
}
//grade equivalent
if(sgtxt >= 95&& sgtxt < 100)
{
document.write("etxt").value=excellent;
}
else if(sgtxt >= 90&& sgtxt < 95)
{
document.write("etxt").value=VeryGood;
}
else if(sgtxt >= 85&& sgtxt < 89)
{
document.write("etxt").value=Good;
}
else if(sgtxt >= 80&& sgtxt < 84)
{
document.write("etxt").value=Avaerage;
}
else if(sgtxt >= 75&& sgtxt < 79)
{
document.write("etxt").value=BelowAverage;
}
else if(sgtxt < 75)
{
document.write("etxt").value=Poor;
}
else if(sgtxt < 0||sgtxt > 100)
{
msgbox.txt("Out of Range!");
}
function clear()
{
txt1.value="";
txt2.value="";
txt3.clear();
txt4.clear();
}
</script>
</head>
<body>
<h1>Student Grade Calculator</h1>
<br/>
JavaScript
<hr width=500 align="left">
First Prelim Grade
<br/>
<input type="text" id="fptxt">
<br/>
Second Prelim Grade
<br/>
<input type="text" id="sptxt">
<br/>
Final Term Grade
<br/>
<input type="text" id="fgtxt">
<br/>
<input type="button" id="btnCmpute" value="Compute" onclick="Add()">
<input type="button" id="btnclr" value="Clear" onclick="clear()">
<br/>
Semestral Grade<br/>
<input type="text" id="sgtxt" >
<br/>
Equivalent<br/>
<input type="text" id="etxt" >
<hr width=500 align="left">
<h6>Copyright© 2013<br/>
</h3>
</body>
</html>
..............................................
...............................................
hi all..
just need help in printing the EQUIVALENT of grades like excellent ,good etc. on equivalent box....
.i try this codes and no one is working printing the equivalent
document.write("etxt").value=Avaerage;
document.getElementById("etxt").value=BelowAverage;
document.write("average"etxt);
...................
the clear box still not working though.....
