Calculate Grade Using if-else statement
function getGrade(score) {
let grade;
if ( score >= 0 && score <= 5 ) {
grade = 'F';
} else if ( score > 5 && score <= 10 ) {
grade = 'E';
} else if ( score > 10 && score <= 15 ) {
grade = 'D';
} else if ( score > 15 && score <= 20 ) {
grade = 'C';
} else if ( score > 20 && score <= 25 ) {
grade = 'B';
} else if ( score > 25 && score <= 30 ) {
grade = 'A';
}
return grade;
}
console.log(getGrade(11)); // D