someone I explain some conditions if

Question

I was doing a task and asked me to enter 4 notes and show 3 messages if I was under 65 failed, 65 to 90 enough and greater than 90 excellent but I do not show me who to help me.

Answer 1

if(x < 65)
{
document.write("failed");
} else if(x <=90)
{
document.write("enough");
}else
{
document.write("great");
}