If else if

If...else if- In this type of statement it executes the statement code following a condition that evaluates to true. If no condition evaluates to true then statement code following else gets executed

E.g.

<html> 
<head> 
<title>If...else if statement</title> 
</head> 
<body>
What's your grade?  
<form>
Enter marks:<input name="stumarks" type="text" />
<input onclick="check(this.form)" type="button" value="Check" />
</form>
<script language="JavaScript">
function check(form)
{
if(form.stumarks.value>100)
{
alert("Not valid marks! Enter again")
} 
else if(form.stumarks.value>89)
{
alert("Got grade A+")
}
else if(form.stumarks.value>79)
{
alert("Got grade A")
}
else if(form.stumarks.value>69)
{
alert("Got grade B+")
}
else if(form.stumarks.value>59)
{
alert("Got grade B")
}
else if(form.stumarks.value>39)
{
alert("Got grade C")
}
else if(form.stumarks.value>29)
{
alert("Got grade D")
}
else if(form.stumarks.value>0)
{
alert("Re-appear again")
}
else
{
alert("Unknown value")
}
}
</script>
</body> 
</html>

Check Output:
If...else if statement What's your grade? Related Topics:

If else if

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