if (var>=97 && var <=100){
System.out.println("superior");
}
else if (var >=88 && var <= 96){
System.out.println("above average");
}
function grading(){
elem = document.getElementById("demo");
if(elem.value >= 97 && elem.value <= 100){
alert("superior")
}
else if(elem.value >= 88 && elem.value <= 96){
alert("above average")
}
}