multiple_if_else_javascript.html

<!DOCTYPE html>
<html>
<head>
	<title>Grade Calculator</title>
</head>
<body>
	<input id="no" type="text" placeholder="Enter Score.." >
<br>
  <button type="submit" onclick="grade();window.location.reload();">Find Grade</button>
 <script type="text/javascript">
 	function grade()
{
var score=document.getElementsByTagName('input')[0].value; 

if (score>90)
  window.alert("A");
else if (score>80)
  window.alert("B");
else if (score>70)
  window.alert("C");
else if (score>60)
  window.alert("D");
else
  window.alert("You failed");
}

 </script>

</body>
</html>